The utility model provides a multi -functional electric power safety helmet of available bluetooth control, includes the safety helmet body, is provided with power module, single -chip module, ultrasonic ranging module, electric field measured module, LED lighting module, buzzer alarm module, voice prompt alarm module, bluetooth module on the safety helmet body. Single -chip module connects ultrasonic ranging module, electric field measured module, LED lighting module, buzzer alarm module, voice prompt alarm module, bluetooth module respectively. Functional switch is installed in the outside on the safety helmet body. The utility model relates to a multi -functional electric power safety helmet of available bluetooth control, each functional module can be controlled on the safety helmet body, also can be with the help of the bluetooth equipment, for example: wear and control each functional module at intelligent bracelet on hand: each functional module all can drop into alone or withdraw from, and easy job personnel according to actual need opens corresponding function, and the while is the duration of multiplicable system still.