There is no such thing as the best ointment for treating filiform warts, you can use topical antiviral, keratolytic or corrosive topical medications, such as uracil ointment, phthalidomide cream, and retinoic acid cream. 1. Fluorouracil ointment: Fluorouracil ointment is mainly applied to hyperkeratosis, white patches of skin or wart-like damage. However, it may leave hyperpigmentation, cause local pain, cracking, edema, allergy, pus, so it is generally less applied to the face. In addition, there will be loss of appetite, nausea and other adverse reactions, and pregnant and lactating women are prohibited. 2. Phthalide cream: phthalide cream is mainly used for skin fungal infections, can have pain, erythema erosion, hyperpigmentation, itching and other adverse reactions, pregnant women are prohibited. 3. Vitamin A cream: Vitamin A cream is a keratolytic drug, there may be local mild burning sensation, redness, swelling, flaking, hyperpigmentation and other adverse reactions, in addition, the preparation for pregnancy, pregnancy, women should be prohibited from using this drug. Filiform warts patients are recommended to go to the hospital in a timely manner, under the guidance of the doctor to carry out professional treatment, do not unauthorized use of medication, to avoid adverse consequences.