Abstract: In order to realize the campus network management better,aiming at the common faults and problems in campus network,we put forward the users joined to participate in the campus network fault management,and made the investigation technology of user self-service as the focus of the study.From the hardware,software,wireless network etc.,investigation on the fault and the solution was discussed,which improves the application level of campus network in the further and lays the foundation to strengthen fine management.

Key words: Network faults,User self-service,Investigation technology