After drainage of abscess, you can use Huangbai liquid compress, because abscesses are mostly caused by bacterial infection of soft tissue necrosis, liquefaction, and Huangbai liquid has the effect of clearing away heat and detoxification (clearing away heat and toxicity in the body), subduing swelling and removing putrefaction, and the use of Huangbai liquid compress after incision and drainage of abscess can reduce its inflammatory reaction, and promote healing of the wound. The main ingredients of Huangbai Liquid are forsythia, cypress, honeysuckle and dandelion, etc. It has the effect of clearing heat and removing toxins, subduing swelling and removing putrefaction, which is conducive to the absorption of inflammation at the wounds and promotes the healing of the wounds. However, if the patient is allergic to the ingredients contained in the drug, it is prohibited to use. Bacterial infection of soft tissues will appear local inflammatory reaction, there will be local necrosis of soft tissues, liquefaction changes, and then form abscesses. The abscess incision and drainage can remove the necrotic tissue and abscess in the wound, and the use of cypress liquid external application can reduce the inflammatory exudation in the wound and promote the production of new granulation tissue inside the wound, which is conducive to wound healing. The specific situation is recommended to go to the hospital, improve the examination, clear condition, the use of drugs need to be used under the guidance of a professional physician.