diff --git a/src/components/common/introField/styled.js b/src/components/common/introField/styled.js
index bc51cc3..e6b8bb3 100644
--- a/src/components/common/introField/styled.js
+++ b/src/components/common/introField/styled.js
@@ -24,6 +24,7 @@ export const Textfield = styled.div`
   height: 70px;
   border: none;
   outline: none;
+  word-break: break-word;
   ${({ theme }) => theme.fonts.pretendardB1};
   color: ${({ theme }) => theme.colors.blue300};
   &::placeholder {
diff --git a/src/pages/nuguIntro/WriteIntro.jsx b/src/pages/nuguIntro/WriteIntro.jsx
index afd6007..5fe1162 100644
--- a/src/pages/nuguIntro/WriteIntro.jsx
+++ b/src/pages/nuguIntro/WriteIntro.jsx
@@ -84,7 +84,9 @@ export const WriteIntro = () => {
           </S.TitleWrapper>
         </S.InfoWrapper>
         <Button
-          disabled={selectedCount !== 3 || content.length === 0}
+          disabled={
+            selectedCount !== 3 || content.length === 0 || content.length > 150
+          }
           onClick={handleSubmit}
         >
           저장하기