diff --git a/z1.c b/z1.c
new file mode 100644
index 0000000..51ec010
--- /dev/null
+++ b/z1.c
@@ -0,0 +1,21 @@
+void delete_student()
+{
+ long int xuehao;
+ int m;
+ printf("请输入学号:");
+ scanf("%ld",&xuehao);
+ if(i==1)
+{
+  if(student[m].xuehao==xuehao)
+  printf("没有数据!");
+ }
+else{
+    for(m=0;m<i;m++)
+  if(student[m].xuehao==xuehao)break;
+  for(;m<i;m++)    student[m]=student[m+1];
+ }
+ save();
+  printf("\n");
+  system("pause");
+  system("cls");
+}