The invention discloses a mast and an unmanned ship. The mast comprises a mast body, at least one hook, and a locking member fixed on a pedestal, wherein one side of the bottom of the mast body is hinged to the pedestal of a ship body; each hook comprises a rotating part hinged to the mast body and a hook part extending out from the rotating part; when the mast body is erected and the other side of the bottom is pressed against the pedestal, the rotating part of each hook is suitable for rotating and driving the hook part on the hook to hook the locking member.