Service process guarding method in dual-computer mode and dual-computer service system

The invention provides a service process guarding method in a dual-computer mode and a dual-computer service system. The method comprises the following steps: reading first service information from a local cache module according to a set guarding period; sending the first service information to a server of the opposite side, and receiving second service information sent by the server of the opposite side according to a set guarding period; reading service configuration information from a local database; comparing the first service information and the second service information with service configuration information to determine service operation states of the servers of the two parties; wherein the service information comprises a server address, a service name of a service in server operation, a service main/standby state and a service state code; and when the service downtime of the opposite side server is determined, generating a service restart instruction according to the name of the downtime service, and