Rice mill machine is easy to operate, high-efficiency, reasonable in price. Using rice as accessories is one of the major features of the Chinese beer industry. It would increase the wort extract rate and make the beer fresher in taste, therefore it has an important position in the beer production. The aim to smash the rice is to make it meet the request of pasting and saccharification by changing its physical shape, thus it is very important to smash in the right way.