There is no such thing as tophi warts, but rather metatarsal warts, a skin disease caused by human papillomavirus infection that occurs mainly on the feet. In clinical treatment you need to apply recombinant human interferon α2b ointment externally four times a day, and with retinoic acid ointment once a day at night for application. It is also best to soak the feet in traditional Chinese medicine, the main components of which are woodruff, balsam fern, Panax quinquefolium, Da Qing Ye, safflower, amaranth, cypress, honeysuckle, decoction of foot soak, the temperature of the water is best to be maintained at 36-40 degrees Celsius, and the temperature of the water needs to be selected according to the patient’s degree of tolerance. Generally speaking, the temperature of slightly hot feet can be. During the treatment period, you can not use your hands to pick and squeeze the affected area, so as not to cause the spread of the virus.