The ichthyolipid refers to ichthyolipid ointment, after the use of pus, you need to suspend the use of, followed by disinfection, and in serious cases, you also need to carry out pus drainage treatment. 1. Suspension of use: after the use of ichthyol ointment, the affected area appeared pus reaction, you should first suspend the use of ichthyol ointment, so as not to stimulate the wound, resulting in aggravation of the condition. 2. Sterilization: Saline can be used to wash the purulent secretions, and then iodophor can be used to sterilize the area thoroughly. At the same time, the area should be kept clean and dry to avoid secondary infection caused by contamination. 3. Pus discharge treatment: If the patient’s pus situation is more serious, the patient should also take oral penicillin V potassium tablets, amoxicillin and other antibiotic treatment. If necessary, the pus part should also be cut, the inside of the decayed tissue and purulent secretion clean up. It is recommended that patients actively treat, the use of drugs must strictly follow the doctor’s instructions, not indiscriminate use of drugs.