A wart is a superfluous skin organism caused by human papillomavirus infection. Human papillomavirus is widely present in the air, and if the immune function of the skin is reduced or the local skin is damaged, it can easily lead to human papillomavirus infection and thus the phenomenon of a wart on the skin. You can see a dermatologist to confirm the diagnosis and then under anesthesia do laser surgery or liquid nitrogen freezing treatment treatment, after surgery pay attention to local hygiene, avoid inflammation infection, will soon be well. However, compared to laser treatment, cryotherapy may be less treatment and requires 2-3 times of repeated treatment for complete removal. If the number of wart is large and local treatment is difficult, you can also use Chinese medicine treatment, for example, you can use Chinese medicine foot soak, with topical recombinant human interferon cream and vitamin A cream, also have some effect.