A small flesh grain in the armpit may be caused by filiform warts, skin flab, etc. According to the different causes of the disease, give medication, physical therapy and other removals. 1. filiform warts: armpits with small meatballs may be due to human papilloma virus infection, resulting in the appearance of elongated protrusions on the skin surface, accompanied by keratinization, the treatment preferred laser and other physical therapy, or in the doctor’s guidance, the use of imiquimod ointment and other topical drug treatment. 2. Skin lumps: small meatballs under the armpit may be skin lumps, also known as soft fibroma, related to skin aging, generally do not need treatment, if it affects the aesthetics, can be removed under the guidance of the doctor through laser, freezing and other physical treatment methods. It should be noted that the armpits have small meatballs should be timely consultation and treatment, clear small meatball formation causes, follow the doctor’s instructions for medication and treatment, not blindly use drugs.