Chinese medicine blending is an important part of the application of traditional Chinese medicine. Based on the theory of traditional Chinese medicine, the Chinese medicine decoction pieces or Chinese patent medicines are formulated according to the prescription of the doctor or the patient.

TCM prescriptions are effective through syndrome differentiation and treatment, and the prescriptions are effective. Only when the prescriptions meet the doctor's prescription intentions and the preparations are accurate, can the Chinese medicine's theory, method, prescription and medicine be consistent. It can be said that the quality of Chinese medicine preparation work is directly related to the clinical efficacy and safety of the drug. The formulation of Chinese medicine is the basis of traditional Chinese medicine clinical pharmacy.

Traditional Chinese medicine preparation mainly refers to the preparation of decoction pieces, which is used to prepare traditional Chinese medicine decoction. It can be divided into five parts: trial, pricing, blending, review and administration. “The layman will say that the Chinese medicine dispensing staff is not the one to take the medicine?” Sheng Sheng, executive director of the Beijing Pharmaceutical Association and chairman of the Chinese medicine professional committee, pointed out that the transfer personnel should not only understand the variety and quantity of the adjusted drugs, but also be able to identify the drugs. The quality of traditional Chinese medicine, such as authenticity, sanitation and proper preparation, and the rational use of traditional Chinese medicine, such as the prescription of the doctor and the correct use of the patient.