Filiform warts may be found in the armpits, or on the neck or forehead, and are visible as filiform projections. Filiform warts are a special type of common warts, mainly caused by human papillomavirus infection of benign superfluous organisms. Clinical studies have shown that filiform warts are most common on the neck, forehead, eyelids, but in general, filiform warts may also grow in the armpits. The lesions appear as filiform growths raised above the skin and are either brownish-gray or normal in color. Usually, there are no other symptoms, but if the lesions are on the face, they may cause mild pain if irritated during face washing. Secondly, filiform warts can also be spread through direct or indirect contact. In addition, some filiform warts may go away on their own, but if there are a large number of warts, it is advisable to seek medical attention. Patients with filiform warts need to improve their daily life management, keep their mood happy, and go to the hospital if necessary, and cooperate with the doctor for active treatment.