The utility model relates to the technical field of electric power protection devices. The safety helmet is a multifunctional electric safety helmet. The safety helmet comprises a helmet shell, a near-electricity alarm, a fan, a GPS positioner and a wireless remote transmission camera, a charging port and a solar cell panel on the helmet shell are electrically connected with a storage battery to serve as two charging modes of the storage battery, and the storage battery is electrically connected with the near-electricity alarm, the fan, the GPS positioner and the wireless remote transmission camera to provide a power source. The device is reasonable and compact in structure; the GPS positioner and the wireless remote transmission camera are arranged on the helmet shell; a real-time monitoring picture and real-time position information of an operator can be transmitted to a background operator; once a safety accident occurs, a background operator of the transformer substation can know the field situation in time and dispatch a ground rescue team to implement rescue, the arrangement of the near-electricity alarm can remind the operator to pay attention to the danger of an electrifiedbody, and the operator can turn on the fan to cool the head of the operator in hot weather.