Underarm sweating, redness and pain should be diagnosed as sweat glanditis, the causative agent is mainly Staphylococcus aureus, excessive sweating, unclean skin and friction, scratching and so on can be the cause. The treatment should be mainly antibacterial and anti-inflammatory, early acute stage can be a short course of antibiotic treatment, such as tetracycline 2g per day, 10 days as a course of treatment, refractory patients can be long-term antibiotic treatment. In addition, the skin should be kept clean, strengthen nutrition, living places should be ventilated, you can also choose to clear the heat, detoxification, damp Chinese medicine, such as silver flower, forsythia, chrysanthemum, mint, patients with severe symptoms can also apply corticosteroids such as prednisone, the effect is also good. For antibiotics as well as corticosteroid treatment are ineffective can be applied hydroxyprogesterone acetate as a testosterone receptor blocker for treatment, the lesions can completely subside. Topical application of neomycin solution or decoction of Chinese herbal medicine, Amaranth, can be effective.