The utility model discloses a multi-tooth hook head wrench which comprises a hook head, hook teeth and a handle, the handle is connected with the hook head, the hook head is in a circular arc shape, the inner circular arc of the hook head is provided with the hook teeth capable of being inserted into a screw hole of a threaded ring, and the hook teeth are arranged in the radial direction of the hook head. According to the multi-tooth hook head wrench, the multiple hook teeth are adopted, the hook teeth are accurately embedded into the screw holes of the threaded ring, the problems that in thelogging connecting or instrument disassembling process, the hook teeth of a single-tooth hook head wrench are single in stress and prone to breakage are solved, and the requirements of a logging siteare met.