Public Sub KillProcess(sProcessName As String)
    On Error GoTo Error_Handler
    Dim ProcessList           As Object
 
    Set ProcessList = GetObject( _
                      "winmgmts:{impersonationLevel=impersonate}" _
                      ).ExecQuery("Select * From Win32_Process", , 48)
    'Set ProcessList = GetObject("winmgmts://.").InstancesOf("win32_process")
    For Each oProcess In ProcessList    'Loop through each active process
        If LCase(sProcessName) = LCase(oProcess.Name) Then
            oProcess.Terminate    ' Kill this instances of the process
        End If
    Next
 
Error_Handler_Exit:
    On Error Resume Next
    Set ProcessList = Nothing
    Exit Sub
 
Error_Handler:
    MsgBox "The following error has occured." & vbCrLf & vbCrLf & _
           "Error Source: KillProcess" & vbCrLf & _
           "Error Number: " & Err.Number & vbCrLf & _
           "Error Description: " & Err.Description, _
           vbCritical, "An Error has Occured!"
    Resume Error_Handler_Exit
End Sub

先将上面过程的代码放在模块中或者窗体中，使用示例如下

KillProcess "winword.exe"   '删除word进程
KillProcess "excel.exe"         '删除excel进程