Instant communication method and system

The invention provides an instant communication method and system, and relates to the communication field. The instant communication method is applied to a real-time cooperation Openfire server and comprises the steps of: receiving a request message having a grammar rule from a client end, wherein the request information includes a user name and request content, and the request content carries the service type of the request message, a service name corresponding to the service type and an access parameter corresponding to the service name; judging whether the grammar rule of the request message is consistent with a message grammar rule predefined by the Openfire server, wherein the predefined message grammar rule includes a preset service type, a preset service name corresponding to the preset service type and a preset access parameter corresponding to the preset service name; when the grammar rule of the request message is consistent with the predefined message grammar rule, analyzing the request message of the client end; and packaging the analyzed request message, searching corresponding content, and returning a request result to the client end after obtaining the corresponding request result.