Anti-infection treatment is preferred when sebaceous cysts become inflamed and suppurate, including oral, topical and injectable drugs, and avoid squeezing the affected area during treatment to avoid aggravating the infection, as follows: 1. oral drugs: oral ibuprofen suspension is required for cooling treatment when accompanied by fever and reaching 38.5° or more, and patients should be instructed to drink more water to promote rapid temperature drop; 2. topical drugs: pus is more serious When the septicemia is more serious, you can apply the solution of levonorgestrel topically 2 times/day for 20 minutes/time, and then apply fusidic acid cream or compound polymyxin B ointment for anti-inflammatory treatment; 3, injectable drugs: you need to static injection of clindamycin phosphate injection or levofloxacin hydrochloride injection to strengthen the role of anti-inflammatory and anti-infective.