diff --git a/IRaCIS.Core.Application/IRaCIS.Core.Application.xml b/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
index 910afcf53..5198fee82 100644
--- a/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
+++ b/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
@@ -4246,6 +4246,13 @@
             <param name="inDto"></param>
             <returns></returns>
         </member>
+        <member name="M:IRaCIS.Core.Application.Service.ReadingCalculate.MRIPDFFCalculateService.GetFattyLiverGrading(IRaCIS.Core.Application.Service.Reading.Dto.ReadingCalculateDto)">
+            <summary>
+            获取脂肪肝分级
+            </summary>
+            <param name="inDto"></param>
+            <returns></returns>
+        </member>
         <member name="M:IRaCIS.Core.Application.Service.ReadingCalculate.MRIPDFFCalculateService.CalculateAvg(IRaCIS.Core.Application.Service.Reading.Dto.ReadingCalculateDto)">
             <summary>
             计算平均值
diff --git a/IRaCIS.Core.Application/Service/ReadingCalculate/MRIPDFFCalculateService.cs b/IRaCIS.Core.Application/Service/ReadingCalculate/MRIPDFFCalculateService.cs
index b7cd58922..543d25cad 100644
--- a/IRaCIS.Core.Application/Service/ReadingCalculate/MRIPDFFCalculateService.cs
+++ b/IRaCIS.Core.Application/Service/ReadingCalculate/MRIPDFFCalculateService.cs
@@ -498,6 +498,9 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
             {
 				// 脂肪平均
 				new ReadingCalculateData (){QuestionType=QuestionType.TotalMeanFraction,GetStringFun=GetFatFractionAvg},
+
+                // 脂肪分级
+				new ReadingCalculateData (){QuestionType=QuestionType.FattyLiverGrading,GetStringFun=GetFattyLiverGrading},
             };
 
 
@@ -608,6 +611,33 @@ namespace IRaCIS.Core.Application.Service.ReadingCalculate
 
         }
 
+        /// <summary>
+        /// 获取脂肪肝分级
+        /// </summary>
+        /// <param name="inDto"></param>
+        /// <returns></returns>
+        public async Task<string> GetFattyLiverGrading(ReadingCalculateDto inDto)
+        {
+            var answer = inDto.QuestionInfo.Where(x => x.QuestionType == QuestionType.TotalMeanFraction).Select(x => x.Answer).FirstIsNullReturnEmpty();
+            if (answer == "NE" || answer == string.Empty)
+            {
+                return FattyLiverClassification.NE.GetEnumInt();
+            }
+
+            if (decimal.TryParse(answer, out var value))
+            {
+                return value switch
+                {
+                    < 5 => FattyLiverClassification.Level0.GetEnumInt(),
+                    < 10 => FattyLiverClassification.Level1.GetEnumInt(),
+                    < 25 => FattyLiverClassification.Level2.GetEnumInt(),
+                    _ => FattyLiverClassification.Level3.GetEnumInt()
+                };
+            }
+
+            return FattyLiverClassification.NE.GetEnumInt();
+        }
+
         /// <summary>
         /// 计算平均值
         /// </summary>
diff --git a/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs b/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
index 3ff827e07..d7336fbee 100644
--- a/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
+++ b/IRaCIS.Core.Domain.Share/Reading/ReadEnum.cs
@@ -2309,10 +2309,43 @@ public enum SUVChangeVSBaseline
     }
 
 
-	/// <summary>
-	/// 影像质量问题
-	/// </summary>
-	public enum ImageQualityIssues
+    /// <summary>
+    /// 脂肪肝分级
+    /// </summary>
+    public enum FattyLiverClassification
+    {
+        /// <summary>
+        /// NE
+        /// </summary>
+        NE = 0,
+
+        /// <summary>
+        /// 0级
+        /// </summary>
+        Level0=1,
+
+        /// <summary>
+        /// 1级
+        /// </summary>
+        Level1=2,
+
+        /// <summary>
+        /// 2级
+        /// </summary>
+        Level2=3,
+
+        /// <summary>
+        /// 3级
+        /// </summary>
+        Level3=4,
+
+    }
+
+
+    /// <summary>
+    /// 影像质量问题
+    /// </summary>
+    public enum ImageQualityIssues
 	{
 		/// <summary>
 		/// 解剖不完整
@@ -2701,6 +2734,11 @@ public enum SUVChangeVSBaseline
         /// 脂肪分数总平均值
         /// </summary>
         TotalMeanFraction = 1101,
+
+        /// <summary>
+        /// 脂肪肝分级
+        /// </summary>
+        FattyLiverGrading = 1102,
     }