Frostbite site pus, in the treatment of the main to anti-infection, followed by attention to strengthen the skin care. 1. anti-infection treatment: suppuration secondary to bacterial infection, refers to local infection with necrotic material and other aggregates. In the treatment of the first choice of systemic application of sensitive antibiotic treatment, such as amoxicillin, roxithromycin, etc., but also can be used externally antibiotic drugs, such as mupirocin cream and so on. If there is a fluctuating feeling at the purulent place, surgical incision and drainage can be made, and local irrigation can be carried out. 2. Strengthen skin care: (1) Keep the skin of the affected area clean, avoid water, avoid excessive scratching and stimulation. (2) Follow the doctor’s instructions to give medication, appropriate external medical gauze to cover, to avoid contamination. (3) Pay attention to heat preservation to avoid further frostbite on local tissues. Due to the different degree of infection after frostbite pus, the treatment is different, the specific circumstances need to go to the regular hospital, under the guidance of the doctor standardized treatment.