The treatment of acne on the waist needs to be based on the specific causes. 1, herpes zoster: mainly manifested as herpes zoster on the half circle of the waist, and these blisters are distributed in clusters, one after another, this situation do not break the blisters, it is best to carry out intravenous injection of acyclovir to anti-virus, oral mecobalamin tablets to nourish the peripheral nerves; and can be combined with some anti-inflammatory and pain-relieving drugs to reduce symptoms. Usually, the disease can heal on its own after 2-3 weeks, and there are few residual symptoms. For some older patients with combined diabetes, there may be a legacy of pain in the lumbar nerve position. 2, folliculitis, sebaceous cysts: you can take oral cephalosporins, penicillin, quinolones, macrolides and other antibiotics for anti-infection. If there is an obvious purulent situation, you need to make an incision and drainage to draw out the purulent secretions inside, and you can generally get a good healing.