diff --git a/README.md b/README.md
index 6b9fd08..d889cb7 100644
--- a/README.md
+++ b/README.md
@@ -282,7 +282,27 @@ void SearchbyName(STU stu[],int n,int m)
 ```
 void StatisticAnalysis(STU stu[],int n,int m)
 {
-
+        int i,j,t[6];
+        for(j=0;j<m;j++)
+        {
+                printf("For course %d:\n",j+1);
+                memset(t,0,sizeof(t));        //将数组 t 的全部元素初始化为0
+                for(i=0;i<n;i++)
+                {
+                        if(stu[i].score[j]>=0&&stu[i].score[j]<60) t[0]++;
+                        else if(stu[i].score[j]<70)    t[1]++;
+                        else if(stu[i].score[j]<80)    t[2]++;
+                        else if(stu[i].score[j]<90)    t[3]++;
+                        else if(stu[i].score[j]<100)   t[4]++;
+                        else if(stu[i].score[j]==100)  t[5]++;
+                }
+                for(i=0;i<=5;i++)
+                {
+                        if(i==0) printf("<60\t%d\t%.2f%%\n",t[i],(float)t[i]/n*100);
+                        else if(i==5) printf("%d\t%d\t%.2f%%\n",(i+5)*10,t[i],(float)t[i]/n*100);
+                        else printf("%d-%d\t%d\t%.2f%%\n",(i+5)*10,(i+5)*10+9,t[i],(float)t[i]/n*100);
+                }
+        }
 }
 ```