As a fine pulverization method in dry pulverization, the Chinese medicine jet mill has many types. So how to choose? 1. It is necessary to understand the main structure and principle of the current Chinese medicine jet mill on the market. According to the structure, the models are mainly divided into (the control granularity is arranged from coarse to fine): disc flow mill, fluidized bed vertical jet mill, fluidized bed horizontal jet mill, superheated steam jet mill.