The invention relates to a holding speed controllable intelligent myoelectric prosthetic hand control circuit. After being preliminarily amplified and processed via an electrode circuit, high-impedance muscle bioelectrical signals led into the electrode circuit by an electrode are transmitted to an amplifying circuit to be amplified further and then transmitted to a control driving circuit, and a single chip microcomputer outputs control signals to the driving circuit to control a direct-current micromotor of a prosthetic hand. Proportional adjustment of holding speed of the prosthetic hand is realized, a patient can change the holding speed of the prosthetic hand via strength of myoelectric signals according to self wish, accordingly the holding speed controllable intelligent myoelectric prosthetic hand control circuit brings great convenience for the user, and controllability of the prosthetic hand is improved.