If you have a small bump on a sedentary buttock, you can deal with it by the following methods: 1. apply iodophor locally, usually 2-3 times a day, and wait for the iodophor to dry naturally. 2. you can locally apply Bactrim, or iodine, but you need to use alcohol for deiodination. 3. if the swelling is obvious, you can go to the hospital to find a surgeon to deal with it, and if necessary, perform local excision of the swelling, and continue to change the medication later. 4, If there is mild redness and swelling, you also need to take oral antibiotic treatment, generally choose cephalosporin antibiotics, such as cefadroxil capsules, cefuroxime and other drugs. 5, at the same time, you also need to pay attention in life, try not to eat too spicy food, such as spicy duck neck, spicy hot, etc., try not to drink drinks containing alcohol, wear underwear to choose cotton underwear, which helps absorb sweat, and at the same time to walk regularly, in order to prevent The local sweating is high and causes further enlargement of the swelling.