The invention relates to a walnut husking machine. The walnut husking machine comprises a husk body. The husk body is provided with a hopper; the hopper is provided with a stirring rod; the hopper is connected with an transition passage; a limit groove is arranged on the inner wall of the transition passage; a walnut transmission channel is arranged inside the husk body; the transition passage is communicated with the walnut transfer channel; the walnut transfer channel is provided with a middle groove in an opening mode; the limit groove and the middle groove are arranged correspondingly; a saw blade is arranged in the middle groove of the walnut transfer channel; a separation transfer path is arranged at the outer part of the husk body; a left transfer path and a right transfer path are respectively arranged at both sides of the separation transfer path; a gap is formed among the left transfer path, right transfer path and separation transfer path; a support plate is arranged below the separation transfer path; the support plate is provided with two protrusions of triangle; the husk body is provided with a lifting mechanism; an output end of the lifting mechanism is connected with a lifting rod; the other end of the lifting rod is connected with an inverted E-typed pressing plate. According to the walnut husking machine, the problem that walnut meat is crushed when walnut husks are broken in the process of walnut exuviating is solved.