The invention discloses a method for guiding terminal users to open auxiliary function privileges of applications. The method comprises the following steps of: when an application program needs to use an auxiliary function to realize a special aim and the current application program does not have a using privilege of the function, starting a lead frame; clicking a button, on which a set character removal identifier is set, by a user according to prompt of the lead frame, so as to automatically call out an auxiliary function setting interface of a system and then open an auxiliary function service of the corresponding application by the user.