Sedentary ass acne may be contact dermatitis, folliculitis, ringworm and other diseases caused by the cause of the need to rub glucocorticoid drugs, antibiotic ointment, antifungal ointment and other medication. 1. contact dermatitis: sedentary buttocks acne may be caused by contact dermatitis, patients need to remove the allergic substances, at the same time can be used under the guidance of a doctor glucocorticoid drugs, such as dinexed cream, halomethasone cream, etc., can play an anti-inflammatory role, thereby alleviating local symptoms. 2. Folliculitis: sedentary ass acne may also be caused by folliculitis, patients can follow the doctor’s instructions to use antibiotic drugs, such as mupirocin ointment, fusidic acid ointment. 3. ringworm: sedentary buttocks acne is also considered to be caused by ringworm, patients can use antifungal drugs under the guidance of a doctor, such as miconazole cream, terbinafine cream, etc., can play an anti-infective role, is conducive to promoting the recovery of the disease. There are many reasons for sedentary buttocks acne, it is recommended that patients seek medical attention in a timely manner to identify the cause of the disease under the guidance of the doctor to actively take relevant treatment measures.