Underarm acne can be treated through daily care, medication, physical and other methods, but due to the many causes of underarm acne, such as: folliculitis, filiform warts, sebaceous cysts and so on, the specific treatment needs to be selected according to the cause of the disease. 1. Folliculitis: you can use warm water and antibacterial soap to wash the affected area, the infected area and hands need to be kept clean. The bacterial infection can use mupirocin ointment, cefuroxime capsules and other drugs, the fungal infection can use terbinafine cream, itraconazole capsules and other drugs for treatment. 2. filiform warts: first pay attention to rest, avoid scratching the affected area, you can choose to use 5-fluorouracil ointment, salicylic acid, 5% imiquimod cream and other drugs, but also scraping, surgical excision method for treatment. 3. sebaceous cysts: sebaceous cysts grow slowly, generally do not need special treatment, if there is a sudden increase in the size of the oppression of local tissues, smaller cysts through a small incision direct excision, the larger cysts should be timely surgical excision method of treatment. It is recommended to go to the hospital in time for examination and diagnosis, to clarify the cause of the disease, and to use medication and treatment under the guidance of the doctor.