PURPOSE: An impact protective structure absorbing the impact by the cashing with a vehicle is provided to increase the application property and make a pile construct easy. CONSTITUTION: An impact protective structure comprises a plurality of support pillar(100) and a protection member(200). The protection member has the fixed length. The protection member is fixed at one side of the support pillar. A through hole is formed at the closed end part of a hollow pipe. The protection member is made of the hollow pipes. The protection member includes a pipe member(400) and a settlement socket(410). The pipe member includes a cable. The cable is inserted and extended into the inside of the hollow pipe and the both end parts of the cable is extended to the through hole while protruding. The settlement socket is settled at the both end part of the hollow pipe in which the pipe member is closed.
