diff --git a/src/lib/helpers/http.js b/src/lib/helpers/http.js
index 4e763d9d..637703d2 100644
--- a/src/lib/helpers/http.js
+++ b/src/lib/helpers/http.js
@@ -69,6 +69,8 @@ function skipLoader(config) {
 
     const deleteRegexes = [
         new RegExp('http(s*)://(.*?)/knowledge/vector/(.*?)/delete-collection', 'g'),
+        new RegExp('http(s*)://(.*?)/knowledge/vector/(.*?)/data/(.*?)', 'g'),
+        new RegExp('http(s*)://(.*?)/knowledge/vector/(.*?)/data', 'g'),
     ];
 
     const getRegexes = [
@@ -81,15 +83,15 @@ function skipLoader(config) {
         new RegExp('http(s*)://(.*?)/knowledge/vector/collections', 'g')
     ];
 
-    if (config.method === 'post' && !!config.data && postRegexes.some(regex => regex.test(config.url || ''))) {
+    if (config.method === 'post' && postRegexes.some(regex => regex.test(config.url || ''))) {
         return true;
     }
 
-    if (config.method === 'put' && !!config.data && putRegexes.some(regex => regex.test(config.url || ''))) {
+    if (config.method === 'put' && putRegexes.some(regex => regex.test(config.url || ''))) {
         return true;
     }
 
-    if (config.method === 'delete' && !!config.data && deleteRegexes.some(regex => regex.test(config.url || ''))) {
+    if (config.method === 'delete' && deleteRegexes.some(regex => regex.test(config.url || ''))) {
         return true;
     }
 
diff --git a/src/lib/services/api-endpoints.js b/src/lib/services/api-endpoints.js
index 3cd2beb1..caf7b191 100644
--- a/src/lib/services/api-endpoints.js
+++ b/src/lib/services/api-endpoints.js
@@ -65,6 +65,7 @@ export const endpoints = {
     vectorKnowledgeCreateUrl: `${host}/knowledge/vector/{collection}/create`,
     vectorKnowledgeUpdateUrl: `${host}/knowledge/vector/{collection}/update`,
     vectorKnowledgeDeleteUrl: `${host}/knowledge/vector/{collection}/data/{id}`,
+    vectorKnowledgeDeleteAllUrl: `${host}/knowledge/vector/{collection}/data`,
     vectorKnowledgeUploadUrl: `${host}/knowledge/vector/{collection}/upload`,
     vectorCollectionCreateUrl: `${host}/knowledge/vector/create-collection`,
     vectorCollectionDeleteUrl: `${host}/knowledge/vector/{collection}/delete-collection`,
diff --git a/src/lib/services/knowledge-base-service.js b/src/lib/services/knowledge-base-service.js
index 25c38e6f..624d5a29 100644
--- a/src/lib/services/knowledge-base-service.js
+++ b/src/lib/services/knowledge-base-service.js
@@ -1,4 +1,3 @@
-import { VectorDataSource } from '$lib/helpers/enums.js';
 import { replaceUrl } from '$lib/helpers/http.js';
 import { endpoints } from './api-endpoints.js';
 import axios from 'axios';
@@ -111,6 +110,19 @@ export async function deleteVectorKnowledgeData(id, collection) {
     return response.data;
 }
 
+/**
+ * @param {string} collection
+ * @returns {Promise<boolean>}
+ */
+export async function deleteAllVectorKnowledgeData(collection) {
+    const url = replaceUrl(endpoints.vectorKnowledgeDeleteAllUrl, {
+        collection: collection
+    });
+
+    const response = await axios.delete(url);
+    return response.data;
+}
+
 /**
  * @param {string} collection
  * @param {import('$knowledgeTypes').VectorKnowledgeUploadRequest} request
diff --git a/src/routes/page/knowledge-base/documents/+page.svelte b/src/routes/page/knowledge-base/documents/+page.svelte
index 937501b2..2ce082f9 100644
--- a/src/routes/page/knowledge-base/documents/+page.svelte
+++ b/src/routes/page/knowledge-base/documents/+page.svelte
@@ -20,7 +20,8 @@
 		updateVectorKnowledgeData,
 		deleteVectorCollection,
 		deleteVectorKnowledgeData,
-		createVectorCollection
+		deleteAllVectorKnowledgeData,
+		createVectorCollection,
     } from '$lib/services/knowledge-base-service';
 	import Breadcrumb from '$lib/common/Breadcrumb.svelte';
     import HeadTitle from '$lib/common/HeadTitle.svelte';
@@ -409,6 +410,42 @@
 		isOpenEditKnowledge = true;
 	}
 
+	function onKnowledgeDeleteAll() {
+		Swal.fire({
+            title: 'Are you sure?',
+            text: `Are you sure you want to delete all data in collection "${selectedCollection}"?`,
+            icon: 'warning',
+			customClass: { confirmButton: 'danger-background' },
+            showCancelButton: true,
+            cancelButtonText: 'No',
+            confirmButtonText: 'Yes',
+        }).then(async (result) => {
+            if (result.value) {
+				isLoading = true;
+                deleteAllVectorKnowledgeData(selectedCollection).then(res => {
+					if (res) {
+						successText = "All data has been deleted!";
+						isComplete = true;
+						setTimeout(() => {
+							isComplete = false;
+						}, duration);
+						reset(true);
+					} else {
+						throw 'Error when deleting all data';
+					}
+				}).catch(() => {
+					errorText = "Failed to delete all data."
+					isError = true;
+					setTimeout(() => {
+						isError = false;
+					}, duration);
+				}).finally(() => {
+					isLoading = false;
+				});
+            }
+        });
+	}
+
 	function toggleKnowledgeEditModal() {
 		isOpenEditKnowledge = !isOpenEditKnowledge;
 		if (!isOpenEditKnowledge) {
@@ -774,7 +811,7 @@
 					<CardBody>
 						<div class="mt-2">
 							<div class="d-flex flex-wrap mb-3 knowledge-table-header">
-								<div class="d-flex">
+								<div class="d-flex" style="gap: 5px;">
 									<h5 class="font-size-16 knowledge-header-text">
 										<div>{$_('Knowledges')}</div>
 									</h5>
@@ -789,6 +826,19 @@
                                             on:click={() => onKnowledgeCreate()}
                                         >
                                             <i class="mdi mdi-plus" />
+                                        </Button>
+									</div>
+									<div
+										class="line-align-center"
+										data-bs-toggle="tooltip"
+										data-bs-placement="top"
+										title="Delete all data"
+									>
+                                        <Button
+                                            class="btn btn-sm btn-soft-danger knowledge-btn-icon"
+                                            on:click={() => onKnowledgeDeleteAll()}
+                                        >
+                                            <i class="mdi mdi-minus" />
                                         </Button>
 									</div>
 								</div>
diff --git a/src/routes/page/knowledge-base/question-answer/+page.svelte b/src/routes/page/knowledge-base/question-answer/+page.svelte
index 5db58ff5..c2cef28f 100644
--- a/src/routes/page/knowledge-base/question-answer/+page.svelte
+++ b/src/routes/page/knowledge-base/question-answer/+page.svelte
@@ -20,6 +20,7 @@
 		updateVectorKnowledgeData,
 		deleteVectorCollection,
 		deleteVectorKnowledgeData,
+		deleteAllVectorKnowledgeData,
 		createVectorCollection
     } from '$lib/services/knowledge-base-service';
 	import Breadcrumb from '$lib/common/Breadcrumb.svelte';
@@ -398,6 +399,42 @@
 		isOpenEditKnowledge = true;
 	}
 
+	function onKnowledgeDeleteAll() {
+		Swal.fire({
+            title: 'Are you sure?',
+            text: `Are you sure you want to delete all data in collection "${selectedCollection}"?`,
+            icon: 'warning',
+			customClass: { confirmButton: 'danger-background' },
+            showCancelButton: true,
+            cancelButtonText: 'No',
+            confirmButtonText: 'Yes',
+        }).then(async (result) => {
+            if (result.value) {
+				isLoading = true;
+                deleteAllVectorKnowledgeData(selectedCollection).then(res => {
+					if (res) {
+						successText = "All data has been deleted!";
+						isComplete = true;
+						setTimeout(() => {
+							isComplete = false;
+						}, duration);
+						reset(true);
+					} else {
+						throw 'Error when deleting all data';
+					}
+				}).catch(() => {
+					errorText = "Failed to delete all data."
+					isError = true;
+					setTimeout(() => {
+						isError = false;
+					}, duration);
+				}).finally(() => {
+					isLoading = false;
+				});
+            }
+        });
+	}
+
 	function toggleKnowledgeEditModal() {
 		isOpenEditKnowledge = !isOpenEditKnowledge;
 		if (!isOpenEditKnowledge) {
@@ -730,7 +767,7 @@
 					<CardBody>
 						<div class="mt-2">
 							<div class="d-flex flex-wrap mb-3 knowledge-table-header">
-								<div class="d-flex">
+								<div class="d-flex" style="gap: 5px;">
 									<h5 class="font-size-16 knowledge-header-text">
 										<div>{$_('Knowledges')}</div>
 									</h5>
@@ -745,6 +782,19 @@
                                             on:click={() => onKnowledgeCreate()}
                                         >
                                             <i class="mdi mdi-plus" />
+                                        </Button>
+									</div>
+									<div
+										class="line-align-center"
+										data-bs-toggle="tooltip"
+										data-bs-placement="top"
+										title="Delete all data"
+									>
+                                        <Button
+                                            class="btn btn-sm btn-soft-danger knowledge-btn-icon"
+                                            on:click={() => onKnowledgeDeleteAll()}
+                                        >
+                                            <i class="mdi mdi-minus" />
                                         </Button>
 									</div>
 								</div>