The IEC61850 standard is used widely in digital substation and intelligent electronic devices.The fault waveform recorder model is build based on IEC61850.The objects and services in model are mapped to MMS. The MMS server is designed. It reduce difficulty of design by call the cisico MMS-EASE lite. The function of MMS service achieve. The last, give an example, the server respond to the server directory request of client. It verify that MMS service is provided right correctly by analyze the communication messages.