The embodiments of the present invention provide an application interface update method, apparatus and system. One method includes: monitoring interface update data on the server side during the running of a client; receiving the monitored interface update data; and updating the current application interface according to said interface update data, thereby rendering an updated application interface; wherein, buttons in said current application interface are different from buttons in said updated application interface, and/or the arrangement of buttons in said current application interface is different from the arrangement of buttons in said updated application interface.