diff --git a/frontend/src/constants/INITIAL_FORM_DATA.ts b/frontend/src/constants/INITIAL_FORM_DATA.ts
index 2e7e82aaa..6a04e3a36 100644
--- a/frontend/src/constants/INITIAL_FORM_DATA.ts
+++ b/frontend/src/constants/INITIAL_FORM_DATA.ts
@@ -2,6 +2,7 @@ import { ApplicationFormData } from '@/types/application';
 
 const INITIAL_FORM_DATA: ApplicationFormData = {
   title: '',
+  description: '',
   questions: [
     //맨 처음은 이름
     {
diff --git a/frontend/src/mocks/data/mockData.ts b/frontend/src/mocks/data/mockData.ts
index 45c93df72..3a246039b 100644
--- a/frontend/src/mocks/data/mockData.ts
+++ b/frontend/src/mocks/data/mockData.ts
@@ -24,6 +24,7 @@ export interface Question {
 
 export const mockData: ApplicationFormData = {
   title: '2025_2_지원서',
+  description: '2025_2_지원서 설문지입니다.',
   questions: [
     {
       id: 1,
diff --git a/frontend/src/pages/AdminPage/tabs/ApplicationEditTab/ApplicationEditTab.styles.ts b/frontend/src/pages/AdminPage/tabs/ApplicationEditTab/ApplicationEditTab.styles.ts
index cc9650e56..d45507d06 100644
--- a/frontend/src/pages/AdminPage/tabs/ApplicationEditTab/ApplicationEditTab.styles.ts
+++ b/frontend/src/pages/AdminPage/tabs/ApplicationEditTab/ApplicationEditTab.styles.ts
@@ -17,6 +17,31 @@ export const FormTitle = styled.input`
   }
 `;
 
+export const FormDescription = styled.textarea`
+  width: 100%;
+  min-height: 120px;
+  height: auto;
+  resize: none;
+  overflow: hidden;
+  border: none;
+  outline: none;
+  margin-bottom: 24px;
+  padding: 12px;
+
+  &::placeholder {
+    color: #c5c5c5;
+    transition: opacity 0.15s;
+  }
+
+  &:focus::placeholder {
+    opacity: 0;
+  }
+
+  &:hover {
+    border: 1px solid #ccc;
+  }
+`;
+
 export const QuestionContainer = styled.div`
   display: flex;
   flex-direction: column;
diff --git a/frontend/src/pages/AdminPage/tabs/ApplicationEditTab/ApplicationEditTab.tsx b/frontend/src/pages/AdminPage/tabs/ApplicationEditTab/ApplicationEditTab.tsx
index 957e736cf..987ed8e28 100644
--- a/frontend/src/pages/AdminPage/tabs/ApplicationEditTab/ApplicationEditTab.tsx
+++ b/frontend/src/pages/AdminPage/tabs/ApplicationEditTab/ApplicationEditTab.tsx
@@ -1,4 +1,4 @@
-import { useState, useEffect } from 'react';
+import { useState, useEffect, useRef } from 'react';
 import QuestionBuilder from '@/pages/AdminPage/components/QuestionBuilder/QuestionBuilder';
 import { QuestionType } from '@/types/application';
 import { Question } from '@/types/application';
@@ -21,6 +21,8 @@ const ApplicationEditTab = () => {
   const [formData, setFormData] =
     useState<ApplicationFormData>(INITIAL_FORM_DATA);
 
+  const descriptionRef = useRef<HTMLTextAreaElement>(null);
+
   useEffect(() => {
     if (data) {
       setFormData(data);
@@ -77,6 +79,18 @@ const ApplicationEditTab = () => {
     }));
   };
 
+  const handleFormDescriptionChange = (value: string) => {
+    setFormData((prev) => ({
+      ...prev,
+      description: value,
+    }));
+    if (descriptionRef.current) {
+      descriptionRef.current.style.height = 'auto';
+      descriptionRef.current.style.height =
+        descriptionRef.current.scrollHeight + 'px';
+    }
+  };
+
   const handleTitleChange = (id: number) => (value: string) =>
     updateQuestionField(id, 'title', value);
 
@@ -148,6 +162,12 @@ const ApplicationEditTab = () => {
           onChange={(e) => handleFormTitleChange(e.target.value)}
           placeholder='지원서 제목을 입력하세요'
         ></Styled.FormTitle>
+        <Styled.FormDescription
+          ref={descriptionRef}
+          value={formData.description}
+          onInput={(e) => handleFormDescriptionChange(e.currentTarget.value)}
+          placeholder='지원서 설명을 입력하세요'
+        ></Styled.FormDescription>
         <Styled.QuestionContainer>
           {formData.questions.map((question, index) => (
             <QuestionBuilder
diff --git a/frontend/src/types/application.ts b/frontend/src/types/application.ts
index e880eab61..710beea93 100644
--- a/frontend/src/types/application.ts
+++ b/frontend/src/types/application.ts
@@ -48,6 +48,7 @@ export interface ChoiceProps extends QuestionComponentProps {
 
 export interface ApplicationFormData {
   title: string;
+  description: string;
   questions: Question[];
 }