Decoction pieces of traditional Chinese medicine are traditional Chinese medicines that can be directly used in clinical Chinese medicine after processing according to the theory of traditional Chinese medicine and the processing method of traditional Chinese medicine. This concept shows that there are no absolute boundaries between Chinese herbal medicines and Chinese herbal decoction pieces. Chinese herbal medicine slices include some Chinese herbal medicine slices processed by the place of origin, original herbal medicine slices, and sliced and roasted slices.3. Pulverized particle size: The particle size is different, and it is difficult to select manually, which directly affects the subsequent storage and product value. (Multi-layer extension, free adjustment of double amplitude 3-8mm, double guarantee of efficiency and accuracy)1. The soil of the rhizomes during harvesting: manual removal is not thorough, and the ash layer is flying during operation, which endangers the health of workers. 2. The scale of the four major shapes of sheet, wire, segment and block: manual selection is inefficient, and artificial impurities are regenerated, resulting in secondary selection. (According to the specific data requirements of the shape, use different models, configure different screen frames, and select the screen aperture, see pictures: linear screen, swing screen, slotted plate, woven mesh, round, square, hexagonal)