The process of cystic abscess treatment can be divided into disinfection, incision, drainage of pus and bandaging. 1. Disinfection: first, use iodophor to disinfect the lesion location, clean the surface of excess material, and carry out local anesthesia. 2. Incision: Go to a regular hospital to make an incision of the abscess, starting from the most inflated part of the cyst. 3. Drainage of pus: make the pus fully drained, use hydrogen peroxide or saline to flush the incision, in order to expel bacteria out of the body as much as possible. It should be noted that if the pus is large, drainage strips need to be placed to drain it according to the situation. 4. Dressing: Fill the wound with sterile gauze for compression bandage to avoid bleeding from the incision. After the treatment of cystic abscesses, patients should avoid touching water, keep the skin clean, can not scratch with their hands, eat a light diet, there are abnormalities in a timely manner to seek medical attention, do not be negligent, so as not to delay the condition.