Abstract: The utility model discloses a hook for a writing board. The hook is detachably fixed on a frame of the writing board. The hook includes a base; a bottom end of the base is protruded to form a clamping block; the clamping block is detachably arranged in the frame of the writing board; a top end of the base is at least protruded to form a suspension arm; and the suspension arm is concavely provided with at least one suspension hole. According to the utility model, the structure is simple, and the hook may be randomly disassembled and assembled in the frame of the writing board, thus facilitating suspension of the writing board, preventing the writing board from falling and providing one more method for the fixation of the writing board.