diff --git a/IRaCIS.Core.Application/Service/Reading/Dto/ReadingQuestionViewModel.cs b/IRaCIS.Core.Application/Service/Reading/Dto/ReadingQuestionViewModel.cs
index 8f09ae0ec..850d2d875 100644
--- a/IRaCIS.Core.Application/Service/Reading/Dto/ReadingQuestionViewModel.cs
+++ b/IRaCIS.Core.Application/Service/Reading/Dto/ReadingQuestionViewModel.cs
@@ -45,6 +45,12 @@ namespace IRaCIS.Core.Application.Service.Reading.Dto
         public decimal TargetVisitNum { get; set; }
     }
 
+    public class ApplyBaseLineTrialQuestionVisitJudgeRuleInDto
+    {
+        [NotDefault]
+        public Guid TrialReadingCriterionId { get; set; }
+    }
+
     public class TrialQuestionVisitJudgeRuleItemDto
     {
         public Guid ReadingQuestionTrialId { get; set; }
diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingCriterion/ReadingQuestionService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingCriterion/ReadingQuestionService.cs
index e5c05b668..347d1532b 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingCriterion/ReadingQuestionService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingCriterion/ReadingQuestionService.cs
@@ -183,6 +183,73 @@ namespace IRaCIS.Core.Application.Service
             return ResponseOutput.Result(await _readingQuestionVisitJudgeRuleRepository.SaveChangesAsync());
         }
 
+        /// <summary>
+        /// 将基线访视（VisitNum = 0）的裁判规则配置应用到其他所有访视。
+        /// 仅复制在基线和目标访视均适用的问题；目标访视不适用的问题保留其已有规则。
+        /// </summary>
+        [HttpPost]
+        public async Task<IResponseOutput> ApplyBaseLineTrialQuestionVisitJudgeRule(ApplyBaseLineTrialQuestionVisitJudgeRuleInDto inDto)
+        {
+            var trialCriterion = await _readingQuestionCriterionTrialRepository
+                .Where(x => x.Id == inDto.TrialReadingCriterionId)
+                .FirstNotNullAsync();
+
+            var targetVisitNums = await _visitStageRepository
+                .Where(x => x.TrialId == trialCriterion.TrialId && x.VisitNum != 0)
+                .Select(x => x.VisitNum)
+                .Distinct()
+                .ToListAsync();
+
+            // 计划外访视不在 VisitStage 中，也应同步基线规则。
+            targetVisitNums.Add(-1);
+            targetVisitNums = targetVisitNums.Distinct().ToList();
+
+            var rulesToAdd = new List<ReadingQuestionVisitJudgeRule>();
+            foreach (var targetVisitNum in targetVisitNums)
+            {
+                // 仅保留在基线和当前目标访视都显示的问题。
+                var targetQuestionIds = await _readingQuestionTrialRepository
+                    .Where(x => x.ReadingQuestionCriterionTrialId == inDto.TrialReadingCriterionId && x.IsJudgeQuestion)
+                    .Where(x => x.LimitShow == LimitShow.AllShow
+                        || (x.LimitShow == LimitShow.ExcludeSomeVisits
+                            && !x.ExcludeShowVisitList.Contains(0)
+                            && !x.ExcludeShowVisitList.Contains(targetVisitNum)))
+                    .Select(x => x.Id)
+                    .ToListAsync();
+
+                if (targetQuestionIds.Count == 0)
+                {
+                    continue;
+                }
+
+                var baseLineRules = await _readingQuestionVisitJudgeRuleRepository
+                    .Where(x => x.VisitNum == 0 && targetQuestionIds.Contains(x.ReadingQuestionId))
+                    .ToListAsync();
+
+                await _readingQuestionVisitJudgeRuleRepository.BatchDeleteNoTrackingAsync(x =>
+                    x.VisitNum == targetVisitNum && targetQuestionIds.Contains(x.ReadingQuestionId));
+
+                rulesToAdd.AddRange(baseLineRules.Select(rule => new ReadingQuestionVisitJudgeRule
+                {
+                    Id = NewId.NextGuid(),
+                    ReadingQuestionId = rule.ReadingQuestionId,
+                    VisitNum = targetVisitNum,
+                    AnswerGroup = rule.AnswerGroup,
+                    AnswerCombination = rule.AnswerCombination,
+                    JudgeType = rule.JudgeType,
+                    JudgeDifferenceValue = rule.JudgeDifferenceValue,
+                    JudgeDifferenceType = rule.JudgeDifferenceType,
+                }));
+            }
+
+            if (rulesToAdd.Count > 0)
+            {
+                await _readingQuestionVisitJudgeRuleRepository.AddRangeAsync(rulesToAdd);
+            }
+
+            return ResponseOutput.Result(await _readingQuestionVisitJudgeRuleRepository.SaveChangesAsync());
+        }
+
         #endregion