Choose Pearls, Realgar, Ocher, Talc, Cinnabar, Natural Copper, Keel, Dragon Teeth this 8 kinds of mineral drugs as deputation, smash them by powderful impact force and strong shear force of ultra-high pressure jet, and strong expansion force generated by high pressure relief in a moment, discuss the impact of pressure, dose size, smashing times on the smash, optimized optimum conditions of fine powder on preparation of mineral drugs; comparing the particle size, specific surface, particle size distribution,...