The invention provides a protocol mode-based service interface implementation method, which comprises the following steps that: a server defines a corresponding interface communication frame structureaccording to an interface to be implemented and generates a corresponding interface detailed document, and the interface communication frame structure comprises a frame structure of a request frame and a frame structure of a response frame; the server monitors connection and authentication of the client and authenticates the client; and when the server receives a request frame which is sent by the client and is used for carrying a service request, a corresponding service is called according to the type and parameters of the request frame, and a processing result is sent to the client by utilizing a response frame.