Acne does not usually grow on the buttocks. Acne is actually a chronic inflammatory skin disease that occurs in the sebaceous glands of the hair follicles and occurs on the cheeks, forehead, jaw, chest and other parts of the body, and usually does not grow on the buttocks, but on the buttocks, it may be folliculitis and boils. 1. Folliculitis: mainly caused by bacteria, fungi, parasites and other infections, preferably in the buttocks, manifested as red papules, papules, small blisters, pustules, scabs, may be accompanied by itching and other symptoms. Treatment is based on antibacterial drugs, such as mupirocin ointment, fusidic acid cream, etc.; if there is a fungal infection, you also need to use antifungal drugs, such as ketoconazole, terbinafine and so on. 2. boils: boils are acute purulent inflammation of individual hair follicles and their affiliated sebaceous glands, occurring on the buttocks, manifested as small hard nodules in individual hair follicles, redness, swelling, pain, and yellowish-white pus plugs in the middle of the follicles after a few days, and other symptoms. In severe cases, the disease can often be treated with medication such as topical anti-inflammatory drugs fusidic acid cream, etc., and in severe cases, surgical incision and drainage is required. It is recommended that acne patients go to the dermatology department of regular hospitals, follow the doctor’s instructions to clarify the diagnosis, active treatment, not blindly self-medication.