Chinese patent medicines in the list of essential drugs are mainly classified according to their functions. The main feature of Chinese patent medicine is to treat diseases or regulate body functions through specific pharmacological actions. Functional classification includes clearing away heat and toxic materials, promoting blood circulation and removing blood stasis, nourishing health, regulating qi and regulating stomach. This classification is helpful for medical staff and patients to better understand and choose the appropriate Chinese patent medicine treatment scheme. This classification also provides convenience for the management and use of Chinese patent medicines, and helps to ensure the safe and effective use of Chinese patent medicines.