The operation and maintenance of IDC computer room involves all aspects. It is different from other operations and maintenance, and the problems it deals with are relatively low. In many companies, servers may be hosted in special IDC rooms and maintained by professionals. Some large companies also have their own IDC rooms, but the management level may be only a sub-department of the network information department, but we still have to face many problems in the management of computer rooms. The operation and maintenance of IDC computer room can be summarized from five aspects: host monitoring, information statistics, hardware maintenance, system maintenance and network maintenance. Dealing with these problems is the operation and maintenance of IDC computer room.