The utility model discloses an automatic alarm flashlight. The automatic alarm flashlight comprises a shell, a lighting main lamp, a control module, a battery, an alarm sensing module, a key module and a state indicating lamp, the lighting main lamp, the battery, the alarm sensing module and the state indicator lamp are electrically connected with the control module. Wherein the alarm sensing module comprises a vibration switch; and the vibration switch is electrically connected with the control module. The automatic alarm flashlight is provided with the alarm induction module, the motion state of a user is tested through the alarm induction module, when the user is static, the alarm induction module sends an alarm signal to the control module, and the control module controls the state indicator lamp to give a light alarm, so that people in distress are recognized in time, and people in distress can be rescued in time.