The utility model discloses a crane hoisting brake system control protector comprising a PLC controlling a crane hoisting brake system, a stator pressure regulating main device controlled by the PLC, electric brake contactors and relays controlling the electric brake contactor, as well as comprising a stator pressure regulating secondary device controlled by the PLC, wherein in the crane hoisting brake system, a feedback input end of a crane hoisting brake, one output ends of the stator pressure regulating main device and the stator pressure regulating secondary device are all connected with the input end of the PLC; the number of the relays and the number of the electric brake contactors are respectively two according to arrangement; and the two relays are connected in parallel, the two electric brake contactors are connected in series, the two relays are both connected with the output end of the PLC and each relay is connected with each electric brake contactor. The control protector can reduce the failure possibly appearing during the brake contracting process of the crane hoisting brake, increase the reliability of timely brake contracting in failure state, prevent hook-sliding of a crane hoisting to cause the accidents of splashing steel and injuring people and provide safety guarantee for the crane operation in actual production.