Ointments used to treat flat warts include the following:1. Antiviral ointments such as recombinant human interferon alpha-2b ointment and imiquimod ointment.2. Exfoliating ointments such as retinoic acid ointment and tazarotene ointment. Immunomodulatory drugs like Pitomod Oral Liquid and Shiitake Mushroom Polysaccharide Tablets can also be taken orally during treatment. Oral Chinese medicine can also be taken, the main ingredients of which include 200 ml of decoction of Amaranthus, Safflower, Paeonia lactiflora, Panax quinquefolium, Daphne, Mucuna pruriens, and Aromatica, to be taken orally 2 times/day. In addition, you can also choose freezing, ionization, carbon dioxide cauterization such methods for physical therapy, during the treatment need to apply fusidic acid cream, in order to prevent the corresponding infection occurs, and flat warts have trauma or scratch scratch, so as not to cause isomorphic reaction, prompting the aggravation of the skin rash and proliferation.