To provide a movement assisting apparatus which needs no external power, receives no constraints of place or time, and can be worn by a patient without a coach for safety.

The movement assisting apparatus is used for assisting the movement of a part of the body and comprises an energy regenerating mechanism which is arranged on a healthy part of the body and carries out rotary or linear movement by means of joint movement of the healthy part, and a movement assisting mechanism which is driven by electric energy generated by the rotary or linear movement of the energy regenerating mechanism and is arranged on a disabled part of the body to drive and assist joint movement of the disabled part. The movement assisting apparatus is characterized by that the force of the movement assisting mechanism is controlled in accordance with torque generated by the energy regenerating mechanism.