Grinding machine is a kind of grinding equipment developed rapidly in recent years. It is the best tool for recycling waste materials. The state is advocating the concept of environmental protection, and milling is easy to generate dust. Therefore, colleagues of Hebei Zhihao environmental protection machinery manufacturing Co., Ltd. in the research and development of high-yield milling machines have increased the dust prevention and dust removal of milling machines, so that they can achieve the effect of dust-free in their work. So that the grinding machine can truly meet the environmental protection standards, and also provide a strong guarantee for the health of front-line workers.