The correct way to use Compound Phellodendron Bark Liquid Coating: external use. Soaked gauze strips are applied externally to infected wounds or broken abscesses. If the ulcer is deeper, a sterile adhesive tube with a diameter of 0.5-1.0cm can be inserted into the deep part of the ulcer, and the product can be extracted with a syringe for flushing. The dosage is usually 10-20 ml, once a day. Or follow the doctor’s advice. Compound cypress liquid coating is composed of forsythia, cypress, honeysuckle, dandelion and centipede. It has the functions of clearing away heat and removing toxins (removing heat and eliminating toxins), subduing swelling and expelling rot (using medicines and other therapies that have the functions of removing pus and eliminating swelling to make the swelling and ulcers subside, and the rotting flesh fall off, and treating sores and ulcers). It is used in the treatment of sores and ulcers after ulceration and wound infection, which belongs to Yang evidence. The adverse reactions and contraindications of this product are not clear. This product is for external use and should not be taken internally. Before using this product, attention should be paid to cleaning or clearing the lesions according to the conventional method of dressing change. After opening the bottle, it should not be stored for a long time, and kept in a cold place (2-10 ℃) airtight. Pregnant women are prohibited, those who are allergic to this product are prohibited, and allergic individuals should be cautious. If related symptoms occur, should consult a doctor in time, if you need to use the drug must be under the guidance of a professional doctor.