A multi-service-process management system and method are disclosed. The system is in C/S architecture, and including a client having multiple sub-service client processes and a server having multiple sub-service server processes corresponding to the multiple sub-service client processes. The client includes at least one process managing unit managing a group of sub-service client processes centrally. The process managing unit includes an authentication information managing module, used to input authentication information required for the group of the sub-service client processes managed by the process managing unit to log on the server and manage the authentication information; a centralized process managing module, used to control the group of the sub-service client processes to obtain the authentication information, log on the server for carrying out authentication and connect to the sub-service server processes, and manage run state of the group of the sub-service client processes centrally.