The appearance of filiform warts under the armpits, mainly caused by infection with human papilloma virus, can be disposed of through general treatment, drug treatment, surgical treatment and physical therapy. 1. General treatment: some patients do not undergo special treatment, warts can disappear on their own with the passage of time. Therefore, in daily life, balanced diet and nutrition, active participation in physical exercise, and maintain sufficient sleep, all help to enhance immunity and promote recovery. 2. Drug treatment: patients can also apply salicylic acid, 5-fluorouracil ointment and other drugs under the guidance of the doctor for treatment. After applying the drugs, itching, tingling, rash and other adverse reactions may occur, and the drugs should be stopped in time and medical treatment should be sought. 3. Surgery: If conservative treatment is ineffective, surgery can be used to remove the warts. 4. Physical therapy: laser therapy, electrocautery therapy, cryotherapy, etc., can also remove the warts. If you have filiform warts under your armpits, it is recommended that you go to the nearest dermatologist and follow the doctor’s instructions for treatment.