1. Filiform warts: Filiform warts are skin diseases caused by human papilloma virus infections, which are common in the face, neck, etc., manifested in the skin surface of the wart-like cumbersome organisms, warts of elongated protruding with the tip of the keratinization. The warts can be treated with topical fluorouracil ointment, salicylic acid cream, etc. If the lesions are small, physical therapy, such as freezing, laser therapy, etc., can be used to make the warts necrotic and fall off. 2. skin flora: skin flora may be related to obesity, viral infection, diabetes and other factors, preferably in the neck, armpits, manifested in the skin surface of the surface of the skin above the surface of the tibial proliferation, usually filamentous, bulbous, and so on. Treatment is mainly based on laser, freezing and other physical therapy, if there is no aesthetic needs, it can not be treated. All of the above drugs should be used under the guidance of a professional doctor, avoid self-medication.