A method and system for quickly retrieving the information service on a mobile terminal, adopt the structure of client/server. The method comprises: the user is directly interactive with a server and retrieves the information service via the client module bound at the terminal; the user directly enters a keyword on the desktop of the terminal; the client module queries the client database, server-side database and server-side searching device respectively, based on the present service mode and the information entered by the user, obtains the corresponding network service and content resource, and selects the relevant network as the service carrier based on the service mode, directs the user to enter these network resources to obtain the information service directly.