把所有工作表放在同一文件夹下，新建一个excel总表，然后在sheet1标签上右键，查看代码，复制下面代码粘贴进去，运行代码即可合并：

Sub 合并当前目录下所有工作簿的全部工作表()
Dim MyPath, MyName, AWbName
Dim Wb As workbook, WbN As String
Dim G As Long
Dim Num As Long
Dim BOX As String
Application.ScreenUpdating = False
MyPath = ActiveWorkbook.Path
MyName = Dir(MyPath & "\" & "*.xls")
AWbName = ActiveWorkbook.Name
Num = 0
Do While MyName <> ""
If MyName <> AWbName Then
Set Wb = Workbooks.Open(MyPath & "\" & MyName)
Num = Num + 1
With Workbooks(1).ActiveSheet
.Cells(.Range("B65536").End(xlUp).Row + 2, 1) = Left(MyName, Len(MyName) - 4)
For G = 1 To Sheets.Count
Wb.Sheets(G).UsedRange.Copy .Cells(.Range("B65536").End(xlUp).Row + 1, 1)
Next
WbN = WbN & Chr(13) & Wb.Name
Wb.Close False
End With
End If
MyName = Dir
Loop
Range("B1").Select
Application.ScreenUpdating = True
MsgBox "共合并了" & Num & "个工作薄下的全部工作表。如下：" & Chr(13) & WbN, vbInformation, "提示"
End Sub

或者如下代码：

Sub Macro1()
Dim MyPath$, MyName$, sh As Worksheet, sht As Worksheet, m&
Set sh = ActiveSheet
MyPath = ThisWorkbook.Path & "\"
MyName = Dir(MyPath & "*.xls")
Application.ScreenUpdating = False
Cells.ClearContents
Do While MyName <> ""
If MyName <> ThisWorkbook.Name Then
With GetObject(MyPath & MyName)
For Each sht In .Sheets
If IsSheetEmpty = IsEmpty(sht.UsedRange) Then
m = m + 1
If m = 1 Then
sht.[a1].CurrentRegion.Copy sh.[a1]
Else
sht.[a1].CurrentRegion.Offset(1).Copy sh.[a65536].End(xlUp).Offset(1)
End If
End If
Next
Close False
End With
End If
MyName = Dir
Loop
Application.ScreenUpdating = True
End Sub