diff --git a/apps/cs/src/pages/survey/model/survey-interface.ts b/apps/cs/src/pages/survey/model/survey-interface.ts
index 8a4c0e61a..ee1f082cb 100644
--- a/apps/cs/src/pages/survey/model/survey-interface.ts
+++ b/apps/cs/src/pages/survey/model/survey-interface.ts
@@ -92,18 +92,23 @@ export const articleSchema = z.object({
 export const userSurveyFormSchema = z.object({
   srvySn: z.number(),
   rspdnts: z.object({
-    rspdntNm: z.string(),
-    gndrCd: z.string(),
-    crTypeCd: z.string(),
-    brdt: z.string(),
+    rspdntNm: z.string().min(1),
+    gndrCd: z.string().min(1),
+    crTypeCd: z.string().min(1),
+    brdt: z.string().min(8),
   }),
   rspnsRslts: z.array(
-    z.object({
-      srvyQitemNo: z.number(),
-      qstnTypeCd: z.string(),
-      ansCn: z.string(),
-      etcAnsCn: z.string(),
-    }),
+    z
+      .object({
+        srvyQitemNo: z.number(),
+        qstnTypeCd: z.string(),
+        ansCn: z.string(),
+        etcAnsCn: z.string(),
+      })
+      .refine(
+        (data) =>
+          data.etcAnsCn.trim().length > 0 || data.ansCn.trim().length > 0,
+      ),
   ),
 });
 
diff --git a/apps/cs/src/pages/survey/ui/user-survey-article.tsx b/apps/cs/src/pages/survey/ui/user-survey-article.tsx
index 66f84c2cb..218e32ceb 100644
--- a/apps/cs/src/pages/survey/ui/user-survey-article.tsx
+++ b/apps/cs/src/pages/survey/ui/user-survey-article.tsx
@@ -1,12 +1,19 @@
 "use client";
 
-import { useForm, type Control } from "react-hook-form";
+import dayjs from "dayjs";
+import { useState } from "react";
+import {
+  useForm,
+  useWatch,
+  type Control,
+  type UseFormReturn,
+} from "react-hook-form";
 import { zodResolver } from "@hookform/resolvers/zod";
 import { useMutation, useQuery } from "@tanstack/react-query";
 import {
+  cn,
   Button,
   Checkbox,
-  DatePicker,
   Input,
   Label,
   RadioGroup,
@@ -16,18 +23,19 @@ import {
 import { CodeSelect } from "@/entities/code";
 import { useAlertStore } from "@/shared/lib";
 import { ENDPOINT } from "@/shared/config";
+import { Form, FormControl, FormField, FormItem } from "@/shared/ui/form";
 import { SurveyApi } from "../api/survey-service";
 import {
   userSurveyFormSchema,
   type Article,
   type UserSurveyFormData,
 } from "../model/survey-interface";
-import dayjs from "dayjs";
-import { Form, FormControl, FormField, FormItem } from "@/shared/ui/form";
 
 function UserSurveyArticle({ srvySn }: { srvySn: string }) {
   const alert = useAlertStore((state) => state.setMessage);
 
+  const [brdt, setBrdt] = useState("");
+
   const { data: userSurvey } = useQuery({
     queryKey: [ENDPOINT.CMS_SERVICE.SURVEY, srvySn],
     queryFn: () => SurveyApi.getUserSurvey(parseInt(srvySn)),
@@ -60,8 +68,20 @@ function UserSurveyArticle({ srvySn }: { srvySn: string }) {
     },
   });
 
+  const { success } = userSurveyFormSchema.safeParse(form.getValues());
+
   const onSubmit = (data: UserSurveyFormData) => {
-    saveUserSurvey(data);
+    const updatedData = {
+      ...data,
+      rspnsRslts: data.rspnsRslts.map((field) => {
+        if (field.qstnTypeCd === "RADIO" && field.ansCn === "0") {
+          return { ...field, ansCn: "" };
+        }
+        return field;
+      }),
+    };
+
+    saveUserSurvey(updatedData);
   };
 
   return (
@@ -74,7 +94,9 @@ function UserSurveyArticle({ srvySn }: { srvySn: string }) {
                 {userSurvey?.srvyTtl}
               </h1>
               <div className="flex gap-2">
-                <Button type="submit">제출</Button>
+                <Button type="submit" disabled={!success}>
+                  제출
+                </Button>
                 <Button
                   type="button"
                   color="white"
@@ -121,18 +143,17 @@ function UserSurveyArticle({ srvySn }: { srvySn: string }) {
                       render={({ field }) => (
                         <FormItem>
                           <FormControl>
-                            <DatePicker
-                              mode="single"
-                              className="w-full justify-start px-4"
-                              selected={
-                                field.value
-                                  ? dayjs(field.value).toDate()
-                                  : undefined
-                              }
-                              onSelect={(date) => {
-                                field.onChange(dayjs(date).format("YYYYMMDD"));
-                              }}
+                            <Input
                               {...field}
+                              type="date"
+                              className="w-full !text-[1.3rem]"
+                              value={brdt}
+                              onChange={(e) => {
+                                setBrdt(e.target.value);
+                                field.onChange(
+                                  dayjs(e.target.value).format("YYYYMMDD"),
+                                );
+                              }}
                             />
                           </FormControl>
                         </FormItem>
@@ -191,7 +212,7 @@ function UserSurveyArticle({ srvySn }: { srvySn: string }) {
                     )}
                     {item.qstnTypeCd === "CHECK" && (
                       <CheckArticle
-                        control={form.control}
+                        form={form}
                         qstnCn={item.qstnCn}
                         index={qIndex}
                         maxChcCnt={item.maxChcCnt}
@@ -240,19 +261,41 @@ function RadioArticle({
                 <div className="flex flex-col gap-3">
                   {articles.map((article, j) => (
                     <div
-                      className="flex items-center space-x-2"
+                      className="flex flex-col gap-3"
                       key={article.srvyArtclNo}
                     >
-                      <RadioGroupItem
-                        value={article.srvyArtclNo?.toString() ?? ""}
-                        id={`rspnsRslts.${i}.ansCn-${j}`}
-                      />
-                      <Label
-                        htmlFor={`rspnsRslts.${i}.ansCn-${j}`}
-                        className="!text-[1.4rem]"
+                      <div
+                        className="flex items-center space-x-2"
+                        key={article.srvyArtclNo}
                       >
-                        {article.artclCn}
-                      </Label>
+                        <RadioGroupItem
+                          value={article.srvyArtclNo?.toString() ?? ""}
+                          id={`rspnsRslts.${i}.ansCn-${j}`}
+                        />
+                        <Label
+                          htmlFor={`rspnsRslts.${i}.ansCn-${j}`}
+                          className="!text-[1.4rem]"
+                        >
+                          {article.artclCn}
+                        </Label>
+                      </div>
+                      {article.srvyArtclNo === 0 && (
+                        <FormField
+                          control={control}
+                          name={`rspnsRslts.${i}.etcAnsCn`}
+                          render={({ field: etcField }) => (
+                            <Input
+                              {...etcField}
+                              value={etcField.value ?? ""}
+                              className={cn(
+                                "hidden w-[32rem] !text-[1.3rem]",
+                                field.value === "0" && "block",
+                              )}
+                              placeholder="기타 내용을 입력해주세요"
+                            />
+                          )}
+                        />
+                      )}
                     </div>
                   ))}
                 </div>
@@ -266,13 +309,13 @@ function RadioArticle({
 }
 
 function CheckArticle({
-  control,
+  form,
   qstnCn,
   index: i,
   maxChcCnt,
   articles,
 }: {
-  control: Control<UserSurveyFormData>;
+  form: UseFormReturn<UserSurveyFormData>;
   index: number;
   qstnCn: string;
   maxChcCnt: number;
@@ -280,50 +323,74 @@ function CheckArticle({
 }) {
   const alert = useAlertStore((state) => state.setMessage);
 
+  const selectedValues = useWatch({
+    control: form.control,
+    name: `rspnsRslts.${i}.ansCn`,
+  });
+
+  const filteredValues =
+    selectedValues?.split(",").filter((v) => v.trim() !== "") || [];
+
+  const [isEtcChecked, setIsEtcChecked] = useState(false);
+
+  const handleCheckedChange = (value: string) => (checked: boolean) => {
+    const values = filteredValues;
+
+    if (checked) {
+      values.push(value);
+    } else {
+      const valueIndex = values.indexOf(value);
+      if (valueIndex !== -1) values.splice(valueIndex, 1);
+    }
+
+    form.setValue(`rspnsRslts.${i}.ansCn`, values.join(","));
+  };
+
+  const validMaxCheckedCount = () => {
+    let checkedCount = 0;
+    if (isEtcChecked) checkedCount += 1;
+    checkedCount += filteredValues.length;
+    return checkedCount < maxChcCnt;
+  };
+
   return (
     <div>
       <p className="mb-4 text-2xl font-bold text-foreground">
         {qstnCn} (최대 {maxChcCnt}개 선택)
       </p>
       <FormField
-        control={control}
+        control={form.control}
         name={`rspnsRslts.${i}.ansCn`}
-        render={({ field }) => {
-          const selectedValues = field.value?.split(",") || [];
-          const handleCheckedChange = (value: string) => (checked: boolean) => {
-            const values = [...selectedValues];
-
-            if (checked) {
-              if (values.length >= maxChcCnt) {
-                alert("최대 선택 개수를 초과했습니다.");
-                return;
-              }
-              values.push(value);
-            } else {
-              const valueIndex = values.indexOf(value);
-              if (valueIndex !== -1) {
-                values.splice(valueIndex, 1);
-              }
-            }
-
-            field.onChange(values.filter((v) => v.trim() !== "").join(","));
-          };
-
-          return (
-            <FormItem>
-              <FormControl>
-                <div className="flex flex-col gap-3">
-                  {articles.map((article, j) => {
-                    const value = article.srvyArtclNo?.toString() ?? "";
-                    return (
-                      <div
-                        className="flex h-[1.8rem] items-center gap-2"
-                        key={article.srvyArtclNo}
-                      >
+        render={() => (
+          <FormItem>
+            <FormControl>
+              <div className="flex flex-col gap-3">
+                {articles.map((article, j) => {
+                  const srvyArtclNo = article.srvyArtclNo?.toString() ?? "";
+                  return (
+                    <div
+                      className="flex flex-col gap-3"
+                      key={article.srvyArtclNo}
+                    >
+                      <div className="flex h-[1.8rem] items-center gap-2">
                         <Checkbox
                           id={`rspnsRslts.${i}.ansCn-${j}`}
-                          checked={selectedValues.includes(value)}
-                          onCheckedChange={handleCheckedChange(value)}
+                          checked={
+                            article.srvyArtclNo === 0
+                              ? isEtcChecked
+                              : selectedValues?.split(",").includes(srvyArtclNo)
+                          }
+                          onCheckedChange={(checked: boolean) => {
+                            if (checked && !validMaxCheckedCount()) {
+                              alert("최대 선택 개수를 초과했습니다.");
+                              return;
+                            }
+                            if (article.srvyArtclNo === 0) {
+                              setIsEtcChecked(checked);
+                            } else {
+                              handleCheckedChange(srvyArtclNo)(checked);
+                            }
+                          }}
                         />
                         <Label
                           htmlFor={`rspnsRslts.${i}.ansCn-${j}`}
@@ -332,13 +399,30 @@ function CheckArticle({
                           {article.artclCn}
                         </Label>
                       </div>
-                    );
-                  })}
-                </div>
-              </FormControl>
-            </FormItem>
-          );
-        }}
+                      {article.srvyArtclNo === 0 && (
+                        <FormField
+                          control={form.control}
+                          name={`rspnsRslts.${i}.etcAnsCn`}
+                          render={({ field }) => (
+                            <Input
+                              {...field}
+                              value={field.value ?? ""}
+                              className={cn(
+                                "hidden w-[32rem] !text-[1.3rem]",
+                                isEtcChecked && "block",
+                              )}
+                              placeholder="기타 내용을 입력해주세요"
+                            />
+                          )}
+                        />
+                      )}
+                    </div>
+                  );
+                })}
+              </div>
+            </FormControl>
+          </FormItem>
+        )}
       />
     </div>
   );