Viral warts are treated with cryotherapy. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. You can use topical iodophor solution, povidone iodine solution to prevent infection, after 2-3 weeks of cryotherapy, the rash crust off, this need to timely follow-up, check whether there are warts remaining, so as to decide whether you need to cryotherapy again, some larger warts sometimes need multiple treatments.