Traditional coating

Traditional Chinese medicine pills are coated with superfine powder of traditional Chinese medicine, and the coating material itself has certain pharmacological effects, which can not only exert the drug effect first, but also protect the pills and increase the aesthetics. The coating type can be selected according to the efficacy of traditional Chinese medicine. Cortex Phellodendri is a commonly used coating material for damp-heat drugs such as diuresis, dampness absorption and clearing lower energizer. Indigo Naturalis a commonly used coating material for clearing away heat and toxic materials. Realgar is a commonly used coating material for detoxification and insecticidal drugs.