Conical worm gearing is a new type of worm gearing composed of a conical worm and a conical worm wheel, which differs from ordinary cylindrical worm gearing in that the working helical surface of the worm in the conical worm gearing pair is offset on the side of the worm wheel, and the shape of the worm and the worm wheel are conical. Taking the Archimedean cone-worm transmission as the research object, using the principle of gear meshing, the tooth equations of the cone worm and cone worm gear are deduced, combining with MATLAB, Solidworks and other computer-aided software for solid modeling of the cone-worm transmission, to obtain the three-dimensional model and the model is assembled and then analyzed by the finite element software to find out that the contact and force conditions of the cone-worm transmission meet the actual requirements, which is a good idea for the design and reliability of miniature transmission mechanism. It provides theoretical support for the design and reliability of micro transmission mechanism.