There is no ointment to eradicate periungual warts, but patients can use topical salicylic acid and antiviral, such as salicylic acid ointment and fluorouracil ointment, which are beneficial to improve the symptoms. 1. Salicylic acid drugs: patients with periungual warts can externally use salicylic acid drugs, such as salicylic acid ointment, which has the effect of keratolytic, and can play a role in improving periungual warts. 2. Antiviral drugs: patients can also be used externally imiquimod ointment, fluorouracil ointment and other antiviral drugs, can produce immunomodulation and antiviral effect, can improve the symptoms of the disease. The actual warts of the nail are recommended to be treated in a standardized way, and the medication needs to be carried out under the guidance of the doctor, so as to avoid unauthorized use of the medication is not conducive to the recovery of the disease.