The invention discloses a mobile terminal and a method for controlling use of the mobile terminal. The mobile terminal provided by the invention comprises an eyeball tracking module, a device operation monitoring module, a reminding module and a device unlocking module, wherein the eyeball tracking module acquires an eye change feature of a mobile terminal user to obtain time data of using the mobile terminal, and transmits the time data to the device operation monitoring module; the device operation monitoring module receives the time data sent by the eyeball tracking module, performs statistics and analysis on time data of watching a screen of the mobile terminal by the eyes of the user, and decides whether prompt information is transmitted to the reminding module or not according to logic judgment; the reminding module locks the mobile terminal according to a judgment result sent by the device operation monitoring module and sends locking information to the device unlocking module; and the device unlocking module presets operation, and the user finishes the operation according to a prompt of the device unlocking module. According to the mobile terminal and the method, the problem of harm caused by overuse of the mobile terminal for a long time by the user separately is solved and the user is guided to correctly use the mobile terminal.