The invention discloses a novel hook device which comprises a base and a top plate. A bearing face plate is arranged on the bottom surface of the top plate, a fixed disc is arranged at the central position of the bearing face plate, a rotary shaft is arranged at the circle center of the fixed disc, a hinge pin extending towards the lower end of the fixed disc is connected to the rotary shaft and is movably connected with the fixed disc through the rotary shaft, a hook is fixedly arranged at the tail end of a downward extending section of the hinge pin, a locking shaft is arranged at the central position of the upper end of the top plate, a sliding groove is formed in the lower portion of the locking shaft, a concave opening is formed in the portion, at the lower end of the sliding groove, of the top plate, a supporting rod entering the sliding groove and fixedly connected with the inner top wall of the sliding groove is arranged in the concave opening, a limiting block is arranged on the supporting rod, and a first compression spring is connected to the portion, at the lower end of the limiting block, of the supporting rod in a wound mode. The novel hook device is simple in structure, convenient to dismount, firm in fixing and suitable for popularization and usage.