The utility model discloses a safety helmet technical field's an electric power construction safety helmet based on multilayer security structure, which comprises a housin, the left side of casing isprovided with bee calling organ and electric field induction ware, the inner chamber border position of casing installs the fixed band through the buffer layer, the right side of fixed band is provided with the regulator, the inner wall of casing is provided with prevents static PVC board, the middle position of preventing static PVC board is installed and is prevented static organic glass board,prevent being connected with the buffer layer between static organic glass board and the casing, this electric power construction safety helmet through the outer wall mounting electric field inductionware at the shell, points out high voltage risk through bee calling organ when getting into the high voltage risk area, and the inner chamber is provided with to be prevented static glass board and prevent static PVC board, further assurance constructor's safety, when meet accident, fine protection constructor's head is understood to the buffer layer, the device electric power construction 0, thepracticality is strong.