The embodiment of the invention provides a milling device which can be used for milling rice and the like and comprises a power source, a gear transmission device, a container for containing material to be milled and a milling part arranged in the container and used for milling the material to be milled, wherein the power source and the gear transmission device are arranged on a base; and the gear transmission device directly transfers the power generated by the power source to the other of the container and the milling part so as to lead one of the container and the milling part to rotate relative to the other of the container and the milling part. The milling device has the advantages of small size, low energy consumption, easy starting and stable and reliable running.