Chinese herbal pieces are one of the three pillars of Chinese traditional medicine industry, an essential traditional weapon for clinical diagnosis and treatment, and an important raw material for Chinese patent medicine. Its unique processing theory and method all reflect the profound wisdom of China's ancient medicine. With the continuous improvement and maturity of its processing theory, it has become an important means of clinical prevention and treatment of traditional Chinese medicine.

Chinese herbal pieces are processed according to the theory and processing method of traditional Chinese medicine, which can be directly used in clinical Chinese medicine. . This concept shows that there is no absolute boundary between Chinese herbal medicines and Chinese herbal pieces. Chinese herbal pieces include some Chinese herbal pieces (including cut pieces, blocks and petals) processed in the place of origin, original Chinese herbal pieces and cut (baked on the basis of processing in the place of origin) pieces. For the first two categories, they should be regarded as Chinese herbal medicines in management, but according to the theory of traditional Chinese medicine, they are understood as decoction pieces in formulation and preparation. The concept of decoction pieces in the sense of management should be understood as: "According to the needs of preparations or preparations, the finished products made by further cutting and baking pure medicinal materials processed in the place of origin are called decoction pieces of traditional Chinese medicine."