The invention relates to a hand-cranking self-powered flashlight which comprises a cylindrical or rectangular shell body, a light-emitting diode, a focusing lens, a sliding switch and a flashlight cover. The hand-cranking self-powered flashlight is characterized in that a self-powered device, a rubber damping ring and an energy storage battery are arranged on the inner layer of the cylindrical or rectangular shell body, the self-powered device comprises a circuit board, a hollow coil and a magnet, the circuit board is arranged on the shell body, the magnet is arranged on a guide rail penetrating through the hollow coil, and the magnet can move along the guide rail. According to the hand-cranking self-powered flashlight, the self-electricity-generating function can be achieved by rocking or swinging the flashlight in the using process, the aim of using the flashlight without an external power source is achieved, and the flashlight is very suitable for being used as an emergency tool under outdoor and emergency conditions.