diff --git a/src/cg-selectTS.ts b/src/cg-selectTS.ts
index 9f0bc99..837dd52 100644
--- a/src/cg-selectTS.ts
+++ b/src/cg-selectTS.ts
@@ -2,8 +2,14 @@ import {
   createNativeSelect,
   createNativeSelectOption,
 } from './components/create-element/create-elementTs';
-import { IDataItem } from './components/utils/urils.interface';
-import { createSelected, getFormatItem, nativeOptionOrdinary } from './components/utils/utilsTs';
+import { IDataItem, ITextSelect } from './components/utils/urils.interface';
+import {
+  createSelected,
+  getFormatItem,
+  getSelectText,
+  nativeOptionMultiple,
+  nativeOptionOrdinary,
+} from './components/utils/utilsTs';
 import { ICgSelect } from './interfaces/cg-select.interface';
 import { IItems } from './interfaces/items.interface';
 import './main.scss';
@@ -227,7 +233,7 @@ export class CGSelect implements ICgSelect {
    * @description Закрывает список
    * @method #close
    */
-  private close() {
+  private close(): void {
     this.list?.classList.remove('open');
     this.caret?.classList.remove('caret_rotate');
   }
@@ -238,7 +244,7 @@ export class CGSelect implements ICgSelect {
    * @description Закрывает список по клику вне элемента
    * @method closeSelectClick
    */
-  private closeSelectClick() {
+  private closeSelectClick(): void {
     const dropdown = document.querySelector(`${this.options.selector}`);
 
     document.addEventListener('click', (e) => {
@@ -275,9 +281,15 @@ export class CGSelect implements ICgSelect {
     const select: HTMLElement | null | undefined = this.element?.querySelector('.selected');
     const nativeOption = this.element?.querySelectorAll('.nativeSelect__nativeOption');
 
+    const placeholderTextSelect: ITextSelect = {
+      placeholder: placeholder,
+      selected: selected,
+    };
+
     const ulMultipul = document.createElement('ul');
 
     if (multiselect) {
+      this.selectedItems = [];
       ulMultipul.classList.add('multiselect-tag');
       select?.classList.add('overflow-hidden');
     }
@@ -285,6 +297,7 @@ export class CGSelect implements ICgSelect {
     options?.forEach((option: Element, index: number) => {
       option.addEventListener('click', (event) => {
         const item: IItems = this.itemsSelect[index];
+
         const checkIndex = this.indexes.indexOf(index);
 
         if (closeOnSelect == false || multiselect) {
@@ -292,15 +305,50 @@ export class CGSelect implements ICgSelect {
           event.preventDefault();
         }
 
-        select!.textContent = item.title;
-        this.selectedItems = item.title;
+        if (multiselect) {
+          option.classList.toggle('active');
 
-        nativeOptionOrdinary(nativeOption, item.title);
+          const checkBox: HTMLInputElement | null = option.querySelector('input[type="checkbox"]');
 
-        options.forEach((option) => {
-          option.classList.remove('active');
-        });
-        option.classList.add('active');
+          if (checkBox) {
+            if (!(event.target instanceof HTMLInputElement)) {
+              checkBox.checked = !checkBox.checked;
+            }
+
+            if (checkIndex == -1) {
+              this.indexes.push(index);
+              nativeOptionMultiple(nativeOption, item.title, true);
+              select!.textContent = '';
+
+              if (Array.isArray(this.selectedItems)) {
+                this.selectedItems.push(item.title);
+                select!.innerText = this.selectedItems.join(',');
+              }
+            } else {
+              this.indexes.splice(checkIndex, 1);
+              nativeOptionMultiple(nativeOption, item.title, false);
+
+              if (Array.isArray(this.selectedItems)) {
+                this.selectedItems.splice(checkIndex, 1);
+                select!.innerText = this.selectedItems.join(',');
+              }
+            }
+
+            if (Array.isArray(this.selectedItems) && !this.selectedItems.length) {
+              getSelectText(placeholderTextSelect, select);
+            }
+          }
+        } else {
+          select!.textContent = item.title;
+          this.selectedItems = item.title;
+
+          nativeOptionOrdinary(nativeOption, item.title);
+
+          options.forEach((option) => {
+            option.classList.remove('active');
+          });
+          option.classList.add('active');
+        }
 
         // if (multiselect) {
         //   this.selectedItems = [];
@@ -357,17 +405,6 @@ export class CGSelect implements ICgSelect {
         //       }
         //     }
         //   }
-        // } else {
-        //   select!.textContent = item.title;
-        //   this.selectedItems = item.title;
-
-        //   nativeOptionOrdinary(nativeOption, item.title);
-
-        //   options.forEach((option) => {
-        //     option.classList.remove('active');
-        //   });
-        //   option.classList.add('active');
-        // }
       });
     });
   }
diff --git a/src/components/create-element/create-element.interface.ts b/src/components/create-element/create-element.interface.ts
new file mode 100644
index 0000000..c3d42a9
--- /dev/null
+++ b/src/components/create-element/create-element.interface.ts
@@ -0,0 +1,8 @@
+import { ICgSelect } from '../../interfaces/cg-select.interface';
+
+export interface IcreateBreadCrumb {
+  element: Element | null;
+  option: ICgSelect;
+  indexes: number[];
+  selectedItems: string[];
+}
diff --git a/src/components/create-element/create-elementTs.ts b/src/components/create-element/create-elementTs.ts
index bbfccb0..88cc128 100644
--- a/src/components/create-element/create-elementTs.ts
+++ b/src/components/create-element/create-elementTs.ts
@@ -1,3 +1,5 @@
+import { IcreateBreadCrumb } from './create-element.interface';
+
 /**
  * Метод который создает нативный селект
  * @returns {HTMLSelectElement} Возвращает созданный нативный селект
@@ -29,12 +31,17 @@ export function createNativeSelectOption(): HTMLOptionElement {
  * @param {string} id уникальное id выбранного элемента
  * @returns {HTMLElement} возвращает сформированный HTMLElement chips item
  */
-export function createBreadcrumb(data: any, title: string, index: number, id: string) {
+export function createBreadcrumb(
+  data: IcreateBreadCrumb,
+  title: string,
+  index: number,
+  id: string,
+) {
   const { element, option, indexes, selectedItems } = data;
   const { placeholder, styles } = option;
 
-  const selected = element.querySelector('.selected');
-  const nativeOption = element.querySelectorAll('.nativeSelect__nativeOption');
+  const selected = element!.querySelector('.selected');
+  const nativeOption = element!.querySelectorAll('.nativeSelect__nativeOption');
 
   const liChip = document.createElement('li');
   const textNode = document.createTextNode(title);
@@ -55,7 +62,7 @@ export function createBreadcrumb(data: any, title: string, index: number, id: st
   liChip.appendChild(svgIcon);
 
   if (styles) {
-    const { chips } = styles;
+    // const { chips } = styles;
     //   customStylesFormat(chips, liChip);
   }
 
@@ -80,7 +87,7 @@ export function createBreadcrumb(data: any, title: string, index: number, id: st
     //   checkBox.parentElement.classList.remove('active');
 
     if (!selectedItems.length) {
-      selected.innerText = placeholder;
+      //selected?.textContent = placeholder;
     }
 
     //   liChip.parentElement.removeChild(liChip);
diff --git a/src/components/utils/urils.interface.ts b/src/components/utils/urils.interface.ts
index b21d691..f0cfad8 100644
--- a/src/components/utils/urils.interface.ts
+++ b/src/components/utils/urils.interface.ts
@@ -1,7 +1,12 @@
-import { IItems } from "../../interfaces/items.interface";
+import { IItems } from '../../interfaces/items.interface';
 
-export interface IDataItem{
-    category?: string;
-    categoryItems?: string;
-    ItemValue: string | IItems | number;
-}
\ No newline at end of file
+export interface IDataItem {
+  category?: string;
+  categoryItems?: string;
+  ItemValue: string | IItems | number;
+}
+
+export interface ITextSelect {
+  placeholder?: string;
+  selected?: string;
+}
diff --git a/src/components/utils/utilsTs.ts b/src/components/utils/utilsTs.ts
index 0da297f..814e9e9 100644
--- a/src/components/utils/utilsTs.ts
+++ b/src/components/utils/utilsTs.ts
@@ -1,5 +1,6 @@
+import { ICgSelect } from '../../interfaces/cg-select.interface';
 import { IItems } from '../../interfaces/items.interface';
-import { IDataItem } from './urils.interface';
+import { IDataItem, ITextSelect } from './urils.interface';
 
 /**
  * Преобразование каждого елемента полученного из поля Items;
@@ -25,6 +26,28 @@ export function getFormatItem(dataItem: any, index: number): IItems {
   }
 }
 
+/**
+ * Вставка изначального текста селекта(до выбора)
+ * @param {ITextSelect} data объект в котором находяться title селекта
+ * @param {HTMLElement | null | undefined} select елемент селекта, куда будет вставляться title
+ * @returns {HTMLElement} возвращает сформированный елемент селекта
+ */
+export function getSelectText(
+  data: ITextSelect,
+  select: HTMLElement | null | undefined,
+): HTMLElement {
+  const { placeholder, selected } = data;
+
+  if (placeholder) {
+    select!.innerText = placeholder;
+  } else if (selected) {
+    select!.innerText = selected;
+  } else {
+    select!.innerText = 'Select...';
+  }
+  return select!;
+}
+
 /**
  * Проверка содержит ли item  указанные свойства,
  * @param {object} item проверяемый на определенную структуру элемент
@@ -92,3 +115,29 @@ export function nativeOptionOrdinary(element: NodeListOf<Element> | undefined, i
     }
   });
 }
+
+/**
+ * Поведение нативного(Multiple) селекта при выборе в кастомном
+ * @param {NodeListOf<Element> | undefined} element NodeList нативного селекта
+ * @param {string} item выбранный элемент в кастомном селекте
+ * @param {boolean} condition специальный флаг при котором добавляются/убераются атрибуты у нативного селекта
+ */
+export function nativeOptionMultiple(
+  element: NodeListOf<Element> | undefined,
+  item: string,
+  condition: boolean,
+) {
+  element!.forEach((option) => {
+    if (condition == true) {
+      if (option.textContent === item) {
+        option.setAttribute('selected', 'selected');
+      }
+    } else if (condition == false) {
+      if (option.textContent === item) {
+        option.removeAttribute('selected');
+      }
+    } else {
+      return;
+    }
+  });
+}