Sub 数据对比()
Dim i As Integer
Dim j As Integer
For i = 1 To 836 '1
For j = 1 To 744 '2
If Sheets("1").Cells(i, 2) = Sheets("2").Cells(j, 2) Then
If Sheets("1").Cells(i, 6) = Sheets("2").Cells(j, 6) Then
Sheets("1").Cells(i, 9) = "已存在" '存在时进行标记
End If
End If
Next j
Next i
End Sub