Disclosed by the present application are a method for controlling brightness in mobile terminal display, a mobile terminal and a storage device, the method comprising: controlling an optical sensor and an acceleration sensor within a mobile terminal to respectively monitor in real time a change value for environmental brightness and a change value for angle of rotation; determining whether the change value for environmental brightness and the change value for angle of rotation as monitored by the mobile terminal are less than a preset brightness and a preset angle, respectively; and when yes, controlling the brightness in mobile terminal display to not change.