The invention provides a prompting method and a mobile terminal. The prompting method comprises the following steps of obtaining a user sleeping state which is detected by wearable equipment, wherein the user sleeping state at least comprises one of deep sleeping state, light sleeping state and waking state; detecting the change of the user sleeping state; according to the change of the user sleeping state, controlling the display brightness of a screen of the mobile terminal. The prompting method and the mobile terminal provided by the embodiment have the advantage that the change of the user sleeping state can be determined, and the display brightness of the screen of the mobile terminal is controlled according to the change of the user sleeping state, so that a user can quickly find the mobile terminal, the finding efficiency of the mobile terminal is effectively improved, and the user experience is improved.