The efficacy of Compound Huangbai Liquid Coating is to clear away heat and detoxify the body (to remove heat and poisonous evils from the body), to eliminate swelling and dispel decay (to eliminate swelling and get rid of decayed flesh), and the method of use is to soak gauze externally or syringe to extract the product for rinsing. Compound cypress coating belongs to a kind of Chinese patent medicine, composed of forsythia, cypress, honeysuckle, dandelion, centipede and other drugs, clinically, it is generally used for sores and ulcers after ulceration, wound infection, belonging to the deficiency of yang and other diseases. When used, for smaller wounds and milder infections, it can be soaked in gauze and applied topically. For lesions with deeper wounds, a sterile adhesive tube should be inserted into the deeper part of the ulcer and the drug should be extracted with a syringe for flushing. The adverse reactions and contraindications of this drug are still unclear, when using it, it is important to pay attention to the fact that it can not be taken internally, and after opening the bottle, it should not be left for too long. If uncomfortable symptoms occur, it is recommended to seek medical attention, use it under the guidance of a doctor and avoid unauthorized use of the drug.