A small bud growing in the armpit is considered to be filiform warts, dermatophytes, etc., which can be treated by medication and physical therapy according to the cause. 1. Filiform warts: Filiform warts are related to human papilloma virus infection, you can apply imiquimod, salicylic acid ointment and other drugs, or physical therapy, such as laser, freezing, electrocautery. 2. Skin flab: Skin flab is a benign superfluous organism of the skin, commonly found in middle-aged and elderly people, if it is relatively small, it does not need special treatment, and the larger ones can be removed by physical treatment such as laser and freezing. Armpit long a small bud should be timely consultation, clear specific causes, symptomatic treatment, if you need to use drugs, should be used in accordance with the doctor’s instructions.