Compound Phellodendron Bark Liquid Application is used externally. Soaked gauze strips are applied externally in infected wounds, or in broken abscesses. If the ulcer is deep, 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. Compound cypress liquid coating, composed of forsythia, cypress, honeysuckle, dandelion and centipede. It has the effect of clearing away heat and detoxification (removing heat and poisonous evils from the body), subduing swelling and expelling rot. It is used for sores and ulcers after ulceration and wound infections that are Yang evidence. Use with caution for pregnant women. The use of this product is prohibited when the properties of the product have changed. Feeling unwell, it is recommended to go to the hospital in time, and the use of Compound Phellodendron Bark Liquid Coating needs to be guided by a professional physician.