diff --git a/src/components/TrackerTaskComment/TrackerTaskComment.jsx b/src/components/TrackerTaskComment/TrackerTaskComment.jsx
new file mode 100644
index 00000000..7dc50b23
--- /dev/null
+++ b/src/components/TrackerTaskComment/TrackerTaskComment.jsx
@@ -0,0 +1,125 @@
+import React, { useState } from "react";
+import TrackerTaskSubComment from "../TrackerTaskComment/TrackerTaskComment";
+import { apiRequest } from "../../api/request";
+import {urlForLocal} from "../../helper";
+import {getCorrectDate} from "../Calendar/calendarHelper";
+import edit from "../../images/edit.svg";
+import del from "../../images/delete.svg";
+import accept from "../../images/accept.png";
+
+export const TrackerTaskComment = ({
+    taskId,
+    comment,
+    commentDelete,
+    addSubComment,
+    subCommentDelete
+}) => {
+    const [commentsEditOpen, setCommentsEditOpen] = useState(false)
+    const [commentsEditText, setCommentsEditText] = useState(comment.text)
+    const [subCommentsCreateOpen, setSubCommentsCreateOpen] = useState(false)
+    const [subCommentsCreateText, setSubCommentsCreateText] = useState('')
+
+    function editComment() {
+        if (commentsEditText === comment.text) return
+        apiRequest("/comment/update", {
+            method: "PUT",
+            data: {
+                comment_id: comment.id,
+                text: commentsEditText
+            }
+        }).then(() => {
+        })
+    }
+
+    function deleteComment() {
+        apiRequest("/comment/update", {
+            method: "PUT",
+            data: {
+                comment_id: comment.id,
+                status: 0
+            }
+        }).then(() => {
+            if (comment.parent_id) {
+                subCommentDelete(comment)
+            } else {
+                commentDelete(comment)
+            }
+        })
+    }
+
+    function createSubComment() {
+        setSubCommentsCreateOpen(false)
+        if(!subCommentsCreateText) return
+        apiRequest("/comment/create", {
+            method: "POST",
+            data: {
+                text: subCommentsCreateText,
+                entity_type: 2,
+                entity_id: taskId,
+                parent_id: comment.id
+            }
+        }).then((res) => {
+            let newSubComment = res
+            newSubComment.created_at = new Date()
+            setSubCommentsCreateText('')
+            addSubComment(comment.id, newSubComment)
+        })
+    }
+
+    return (
+        <div className={[!comment.parent_id && comment.subComments.length ? 'comments__list__item__main': '',
+            'comments__list__item',
+            comment.parent_id ? 'comments__list__item__subComment' : ''].join(' ')}>
+            <div className='comments__list__item__info'>
+                <div className='comments__list__item__fio'>
+                    <img src={urlForLocal(comment.user.avatar)} alt='avatar' />
+                    <p>{comment.user.fio}</p>
+                </div>
+                <div className='comments__list__item__date'>
+                    <span>{getCorrectDate(comment.created_at)}</span>
+                    <div className={commentsEditOpen ? 'edit edit__open' : 'edit'} >
+                        <img src={edit} alt='edit' onClick={() => {
+                            if (commentsEditOpen) {
+                                editComment()
+                            }
+                            setCommentsEditOpen(!commentsEditOpen)
+                        }} />
+                    </div>
+                    <img src={del} alt='delete' onClick={() => deleteComment()} />
+                </div>
+            </div>
+            {commentsEditOpen ?
+                <input className='comments__list__item__text' value={commentsEditText} onChange={(e) =>  {
+                    setCommentsEditText(e.target.value)
+                }} /> :
+                <p className='comments__list__item__text'>{commentsEditText}</p>}
+            {!comment.parent_id &&
+                <>
+                {
+                    subCommentsCreateOpen ?
+                        <div className='comments__list__item__answer__new'>
+                            <input value={subCommentsCreateText} onChange={(e) => {
+                                setSubCommentsCreateText(e.target.value)
+                            }}/>
+                            <img src={accept} alt='accept'
+                                 onClick={() => {
+                                     createSubComment()
+                                 }}
+                            />
+                        </div>
+                        :
+                        <span onClick={() => {
+                            setSubCommentsCreateOpen(true)
+                        }} className='comments__list__item__answer'>Ответить</span>
+                    }
+                </>
+            }
+            {Boolean(comment.subComments?.length) && comment.subComments.map((subComment) => {
+                return <TrackerTaskSubComment key={subComment.id} taskId={taskId} comment={subComment} subCommentDelete={subCommentDelete}/>
+                })
+            }
+        </div>
+    )
+}
+
+export default TrackerTaskComment
diff --git a/src/components/UI/ModalTicket/ModalTicket.jsx b/src/components/UI/ModalTicket/ModalTicket.jsx
index bcc76ebf..82b162fc 100644
--- a/src/components/UI/ModalTicket/ModalTicket.jsx
+++ b/src/components/UI/ModalTicket/ModalTicket.jsx
@@ -1,6 +1,7 @@
 import React, {useEffect, useState} from "react";
 import { Link } from "react-router-dom";
 import TrackerModal from "../TrackerModal/TrackerModal";
+import TrackerTaskComment from "../../../components/TrackerTaskComment/TrackerTaskComment";
 import { apiRequest } from "../../../api/request";
 import { useDispatch } from "react-redux";
 import {
@@ -8,8 +9,6 @@ import {
   setProjectBoardFetch,
 } from "../../../redux/projectsTrackerSlice";
 
-import {getCorrectDate} from '../../../components/Calendar/calendarHelper'
-
 import category from "../../../images/category.png";
 import watch from "../../../images/watch.png";
 import file from "../../../images/fileModal.svg";
@@ -25,7 +24,6 @@ import close from "../../../images/closeProjectPersons.svg";
 
 import "./ModalTicket.scss";
 import {urlForLocal, getCorrectRequestDate} from "../../../helper";
-import accept from "../../../images/accept.png";
 
 export const ModalTiсket = ({
   active,
@@ -40,9 +38,6 @@ export const ModalTiсket = ({
   const [editOpen, setEditOpen] = useState(false);
   const [inputsValue, setInputsValue] = useState({title: task.title, description: task.description, comment: ''});
   const [comments, setComments] = useState([]);
-  const [commentsEditOpen, setCommentsEditOpen] = useState({})
-  const [commentsEditText, setCommentsEditText] = useState({})
-  const [subCommentsCreateOpen, setSubCommentsCreateOpen] = useState({})
   const [dropListOpen, setDropListOpen] = useState(false)
   const [dropListMembersOpen, setDropListMembersOpen] = useState(false)
   const [executor, setExecutor] = useState(task.executor)
@@ -94,49 +89,48 @@ export const ModalTiсket = ({
     }).then((res) => {
       let newComment = res
       newComment.created_at = new Date()
+      newComment.subComments = []
       setInputsValue((prevValue) => ({...prevValue, comment: ''}))
       setComments((prevValue) => ([...prevValue, newComment]))
-      setCommentsEditOpen((prevValue) => ({...prevValue, [res.id]: false}))
-      setCommentsEditText((prevValue) => ({...prevValue, [res.id]: res.text}))
     })
   }
-  function deleteComment(commentId) {
-    apiRequest("/comment/update", {
-      method: "PUT",
-      data: {
-        comment_id: commentId,
-        status: 0
+
+  function commentDelete(comment) {
+    setComments((prevValue) => prevValue.filter((item) => item.id !== comment.id))
+    if (comment.subComments.length) {
+      comment.subComments.forEach((subComment) => {
+        apiRequest("/comment/update", {
+          method: "PUT",
+          data: {
+            comment_id: subComment.id,
+            status: 0
+          }
+        }).then(() => {
+        })
+      })
+    }
+  }
+
+  function addSubComment(commentId, subComment) {
+    const addSubComment = comments
+    addSubComment.forEach((comment) => {
+      if (comment.id === commentId) {
+        comment.subComments.push(subComment)
       }
-    }).then((res) => {
-      setComments((prevValue) => prevValue.filter((item) => item.id !== commentId))
     })
+    setComments(addSubComment)
   }
 
-  function editComment(commentId) {
-
-    apiRequest("/comment/update", {
-      method: "PUT",
-      data: {
-        comment_id: commentId,
-        text: commentsEditText[commentId]
+  function subCommentDelete(subComment) {
+    const deleteSubComment = comments
+    deleteSubComment.forEach((comment, index) => {
+      if (comment.id === subComment.parent_id) {
+        deleteSubComment[index].subComments = comment.subComments.filter((item) => item.id !== subComment.id)
       }
-    }).then((res) => {
-      // createSubComment()
     })
+    setComments([...deleteSubComment])
   }
 
-  // function createSubComment() {
-  //   apiRequest("/comment/create", {
-  //     method: "POST",
-  //     data: {
-  //       text: '12312312',
-  //       entity_type: 2,
-  //       entity_id: task.id,
-  //       parent_id: 36
-  //     }
-  //   }).then((res) => console.log(res))
-  // }
-
   function startTaskTimer() {
     apiRequest("/timer/create", {
       method: "POST",
@@ -159,7 +153,7 @@ export const ModalTiсket = ({
         timer_id: timerInfo.id,
         stopped_at: getCorrectRequestDate(new Date())
       }
-    }).then((res) => {
+    }).then(() => {
       setTimerStart(false)
       clearInterval(timerId)
     })
@@ -185,7 +179,7 @@ export const ModalTiсket = ({
         task_id: task.id,
         executor_id: 0
       },
-    }).then((res) => {
+    }).then(() => {
       setExecutor(null)
     });
   }
@@ -210,19 +204,24 @@ export const ModalTiсket = ({
         task_id: task.id,
         user_id: person.user_id
       },
-    }).then((res) => {
+    }).then(() => {
       setMembers(members.filter((item) => item.user_id !== person.user_id))
     });
   }
 
   useEffect(() => {
     apiRequest(`/comment/get-by-entity?entity_type=2&entity_id=${task.id}`).then((res) => {
-      setComments(res)
-      res.forEach((item) => {
-        setCommentsEditOpen((prevValue) => ({...prevValue, [item.id]: false}))
-        setCommentsEditText((prevValue) => ({...prevValue, [item.id]: item.text}))
-        setSubCommentsCreateOpen((prevValue) => ({...prevValue, [item.id]: false}))
-      })
+      const comments = res.reduce((acc, cur) => {
+        if (!cur.parent_id) {
+          acc.push({...cur, subComments: []})
+        } else {
+          acc.forEach((item) => {
+            if (item.id === cur.parent_id) item.subComments.push(cur)
+          })
+        }
+        return acc
+      }, [])
+      setComments(comments)
     })
     apiRequest(`/timer/get-by-entity?entity_type=2&entity_id=${task.id}`).then((res) => {
       let timerSeconds = 0
@@ -347,45 +346,15 @@ export const ModalTiсket = ({
             </div>
             <div className='comments__list'>
               {comments.map((comment) => {
-                return <div className='comments__list__item' key={comment.id}>
-                  <div className='comments__list__item__info'>
-                    <div className='comments__list__item__fio'>
-                      <img src={urlForLocal(comment.user.avatar)} alt='avatar' />
-                      <p>{comment.user.fio}</p>
-                    </div>
-                    <div className='comments__list__item__date'>
-                      <span>{getCorrectDate(comment.created_at)}</span>
-                      <div className={commentsEditOpen[comment.id] ? 'edit edit__open' : 'edit'} >
-                        <img src={edit} alt='edit' onClick={() => {
-                          if (commentsEditOpen[comment.id]) {
-                            editComment(comment.id)
-                          }
-                          setCommentsEditOpen((prevValue) => ({...prevValue, [comment.id]: !prevValue[comment.id]}))
-                        }} />
-                      </div>
-                      <img src={del} alt='delete' onClick={() => deleteComment(comment.id)} />
-                    </div>
-                  </div>
-                  {commentsEditOpen[comment.id] ? <input className='comments__list__item__text' value={commentsEditText[comment.id]} onChange={(e) =>  {
-                    setCommentsEditText((prevValue) => ({...prevValue, [comment.id]: e.target.value}))
-                  }} /> : <p className='comments__list__item__text'>{commentsEditText[comment.id]}</p>}
-                  {subCommentsCreateOpen[comment.id] ?
-                      <div className='comments__list__item__answer__new'>
-                        <input />
-                        <img src={accept} alt='accept'
-                             onClick={() => {
-                               setSubCommentsCreateOpen((prevValue) => ({...prevValue, [comment.id]: !prevValue[comment.id]}))
-                             }}
-                        />
-                      </div>
-                      :
-                      <span onClick={() => {
-                        setSubCommentsCreateOpen((prevValue) => ({...prevValue, [comment.id]: !prevValue[comment.id]}))
-                      }} className='comments__list__item__answer'>Ответить</span>
-                  }
-                </div>
-              })
-
+                return <TrackerTaskComment
+                    key={comment.id}
+                    taskId={task.id}
+                    comment={comment}
+                    commentDelete={commentDelete}
+                    addSubComment={addSubComment}
+                    subCommentDelete={subCommentDelete}
+                />
+                })
               }
             </div>
           </div>
diff --git a/src/components/UI/ModalTicket/ModalTicket.scss b/src/components/UI/ModalTicket/ModalTicket.scss
index a4436d78..cb71b885 100644
--- a/src/components/UI/ModalTicket/ModalTicket.scss
+++ b/src/components/UI/ModalTicket/ModalTicket.scss
@@ -81,6 +81,22 @@
         flex-direction: column;
         max-height: 420px;
         overflow: auto;
+
+        &::-webkit-scrollbar {
+          width: 4px;
+          border-radius: 10px;
+        }
+
+        &::-webkit-scrollbar-thumb {
+          background: #cbd9f9;
+          border-radius: 10px;
+        }
+
+        &::-webkit-scrollbar-track {
+          background: #c5c0c6;
+          border-radius: 10px;
+        }
+
         &__item {
           padding: 10px 20px;
           display: flex;
@@ -89,6 +105,41 @@
           border-radius: 44px;
           font-size: 14px;
           width: 100%;
+          position: relative;
+
+          &__subComment {
+            &:before {
+              content: '';
+              background: #E4E4E6;
+              height: 1px;
+              width: 7px;
+              position: absolute;
+              top: 36%;
+              left: 2.5%;
+            }
+          }
+
+          &__main {
+            &:after {
+              content: '';
+              position: absolute;
+              background-image: url("../../../images/mainTaskCommentImg.png");
+              width: 10px;
+              height: 8px;
+              top: 50px;
+              left: 25px;
+            }
+
+            &:before {
+              content: '';
+              position: absolute;
+              background: #E4E4E6;
+              width: 1px;
+              height: calc(100% - 120px);
+              left: 29px;
+              top: 65px;
+            }
+          }
 
           &__fio {
             display: flex;
@@ -163,6 +214,7 @@
               padding: 3px 5px;
               display: flex;
               align-items: center;
+              margin-top: 5px;
 
               img {
                 width: 20px;
diff --git a/src/components/UI/TicketFullScreen/TicketFullScreen.jsx b/src/components/UI/TicketFullScreen/TicketFullScreen.jsx
index d2adb881..0f0ad150 100644
--- a/src/components/UI/TicketFullScreen/TicketFullScreen.jsx
+++ b/src/components/UI/TicketFullScreen/TicketFullScreen.jsx
@@ -5,6 +5,7 @@ import { ProfileBreadcrumbs } from "../../ProfileBreadcrumbs/ProfileBreadcrumbs"
 import { Footer } from "../../Footer/Footer";
 import { Link, useParams, useNavigate } from "react-router-dom";
 import TrackerModal from "../TrackerModal/TrackerModal";
+import TrackerTaskComment from "../../../components/TrackerTaskComment/TrackerTaskComment";
 import { Navigation } from "../../Navigation/Navigation";
 import {Loader} from "../../Loader/Loader";
 
@@ -33,12 +34,10 @@ import link from "../../../images/link.svg";
 import archive2 from "../../../images/archive.svg";
 import del from "../../../images/delete.svg";
 import edit from "../../../images/edit.svg";
-import accept from "../../../images/accept.png"
 
 import "./ticketFullScreen.scss";
 import close from "../../../images/closeProjectPersons.svg";
 import {getCorrectRequestDate, urlForLocal} from "../../../helper";
-import {getCorrectDate} from "../../Calendar/calendarHelper";
 
 export const TicketFullScreen = ({}) => {
   const [modalAddWorker, setModalAddWorker] = useState(false);
@@ -52,9 +51,6 @@ export const TicketFullScreen = ({}) => {
   const [inputsValue, setInputsValue] = useState({});
   const [loader, setLoader] = useState(true);
   const [comments, setComments] = useState([]);
-  const [commentsEditOpen, setCommentsEditOpen] = useState({})
-  const [subCommentsCreateOpen, setSubCommentsCreateOpen] = useState({})
-  const [commentsEditText, setCommentsEditText] = useState({})
   const [personListOpen, setPersonListOpen] = useState(false)
   const [timerStart, setTimerStart] = useState(false)
   const [timerInfo, setTimerInfo] = useState({})
@@ -64,12 +60,17 @@ export const TicketFullScreen = ({}) => {
       setTaskInfo(taskInfo);
       setInputsValue({title: taskInfo.title, description: taskInfo.description, comment: ''})
       apiRequest(`/comment/get-by-entity?entity_type=2&entity_id=${taskInfo.id}`).then((res) => {
-        setComments(res)
-        res.forEach((item) => {
-          setCommentsEditOpen((prevValue) => ({...prevValue, [item.id]: false}))
-          setSubCommentsCreateOpen((prevValue) => ({...prevValue, [item.id]: false}))
-          setCommentsEditText((prevValue) => ({...prevValue, [item.id]: item.text}))
-        })
+        const comments = res.reduce((acc, cur) => {
+          if (!cur.parent_id) {
+            acc.push({...cur, subComments: []})
+          } else {
+            acc.forEach((item) => {
+              if (item.id === cur.parent_id) item.subComments.push(cur)
+            })
+          }
+          return acc
+        }, [])
+        setComments(comments)
       })
       taskInfo.timers.forEach((time) => {
         if (!time.stopped_at) {
@@ -102,7 +103,7 @@ export const TicketFullScreen = ({}) => {
         title: inputsValue.title,
         description: inputsValue.description
       },
-    }).then((res) => {
+    }).then(() => {
     });
   }
 
@@ -117,33 +118,9 @@ export const TicketFullScreen = ({}) => {
     }).then((res) => {
       let newComment = res
       newComment.created_at = new Date()
+      newComment.subComments = []
       setInputsValue((prevValue) => ({...prevValue, comment: ''}))
       setComments((prevValue) => ([...prevValue, newComment]))
-      setCommentsEditOpen((prevValue) => ({...prevValue, [res.id]: false}))
-      setCommentsEditText((prevValue) => ({...prevValue, [res.id]: res.text}))
-    })
-  }
-
-  function deleteComment(commentId) {
-    apiRequest("/comment/update", {
-      method: "PUT",
-      data: {
-        comment_id: commentId,
-        status: 0
-      }
-    }).then((res) => {
-      setComments((prevValue) => prevValue.filter((item) => item.id !== commentId))
-    })
-  }
-
-  function editComment(commentId) {
-    apiRequest("/comment/update", {
-      method: "PUT",
-      data: {
-        comment_id: commentId,
-        text: commentsEditText[commentId]
-      }
-    }).then((res) => {
     })
   }
 
@@ -168,7 +145,7 @@ export const TicketFullScreen = ({}) => {
         timer_id: timerInfo.id,
         stopped_at: getCorrectRequestDate(new Date())
       }
-    }).then((res) => setTimerStart(false))
+    }).then(() => setTimerStart(false))
   }
 
   function deletePerson(userId) {
@@ -183,6 +160,42 @@ export const TicketFullScreen = ({}) => {
     });
   }
 
+  function commentDelete(comment) {
+    setComments((prevValue) => prevValue.filter((item) => item.id !== comment.id))
+    if (comment.subComments.length) {
+      comment.subComments.forEach((subComment) => {
+        apiRequest("/comment/update", {
+          method: "PUT",
+          data: {
+            comment_id: subComment.id,
+            status: 0
+          }
+        }).then(() => {
+        })
+      })
+    }
+  }
+
+  function addSubComment(commentId, subComment) {
+    const addSubComment = comments
+    addSubComment.forEach((comment) => {
+      if (comment.id === commentId) {
+        comment.subComments.push(subComment)
+      }
+    })
+    setComments(addSubComment)
+  }
+
+  function subCommentDelete(subComment) {
+    const deleteSubComment = comments
+    deleteSubComment.forEach((comment, index) => {
+      if (comment.id === subComment.parent_id) {
+        deleteSubComment[index].subComments = comment.subComments.filter((item) => item.id !== subComment.id)
+      }
+    })
+    setComments([...deleteSubComment])
+  }
+
   const toggleTabs = (index) => {
     dispatch(setToggleTab(index));
   };
@@ -341,43 +354,14 @@ export const TicketFullScreen = ({}) => {
               </div>
               <div className='comments__list'>
                 {comments.map((comment) => {
-                  return <div className='comments__list__item' key={comment.id}>
-                    <div className='comments__list__item__info'>
-                      <div className='comments__list__item__fio'>
-                        <img src={urlForLocal(comment.user.avatar)} alt='avatar' />
-                        <p>{comment.user.fio}</p>
-                      </div>
-                      <div className='comments__list__item__date'>
-                        <span>{getCorrectDate(comment.created_at)}</span>
-                        <div className={commentsEditOpen[comment.id] ? 'edit edit__open' : 'edit'} >
-                          <img src={edit} alt='edit' onClick={() => {
-                            if (commentsEditOpen[comment.id]) {
-                              editComment(comment.id)
-                            }
-                            setCommentsEditOpen((prevValue) => ({...prevValue, [comment.id]: !prevValue[comment.id]}))
-                          }} />
-                        </div>
-                        <img src={del} alt='delete' onClick={() => deleteComment(comment.id)} />
-                      </div>
-                    </div>
-                    {commentsEditOpen[comment.id] ? <input className='comments__list__item__text' value={commentsEditText[comment.id]} onChange={(e) =>  {
-                      setCommentsEditText((prevValue) => ({...prevValue, [comment.id]: e.target.value}))
-                    }} /> : <p className='comments__list__item__text'>{commentsEditText[comment.id]}</p>}
-                    {subCommentsCreateOpen[comment.id] ?
-                        <div className='comments__list__item__answer__new'>
-                          <input />
-                          <img src={accept} alt='accept'
-                             onClick={() => {
-                               setSubCommentsCreateOpen((prevValue) => ({...prevValue, [comment.id]: !prevValue[comment.id]}))
-                             }}
-                          />
-                        </div>
-                        :
-                      <span onClick={() => {
-                        setSubCommentsCreateOpen((prevValue) => ({...prevValue, [comment.id]: !prevValue[comment.id]}))
-                      }} className='comments__list__item__answer'>Ответить</span>
-                    }
-                  </div>
+                  return <TrackerTaskComment
+                      key={comment.id}
+                      taskId={taskInfo.id}
+                      comment={comment}
+                      commentDelete={commentDelete}
+                      addSubComment={addSubComment}
+                      subCommentDelete={subCommentDelete}
+                  />
                 })
 
                 }