As a result of plantar pressure and friction, the local surface forms a yellowish callous-like keratin layer, which can be seen as scattered small black dots, caused by the rupture of the papillary vessels. The most important thing is that it is not only a good idea to have a good time, but also a good idea to have a good time. 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. Specific treatment 1, the larger warts, available interferon 3x106IU plus lidocaine injection for local damage within the injection, once every other day. 2, 0.1% bleomycin saline solution plus lidocaine injection for local damage within the injection, treatment of a single or several plantar warts, once a week, usually 2 to 3 times after the warts can fall off. 3, if the number of warts, can use liquid nitrogen freezing, CO2 laser treatment, the experience of the operating physician is more critical, otherwise easy to recur or scarring. If the economic conditions permit, available dye pulse laser, the effect is good, but the cost is higher. 4, available vinegar with the right amount of salt (do not add water, available for many times) soaked for about 30 minutes, with scissors or syringes to peel off the warts, and then with 5-fluorouracil solution or Chinese medicine Icool rubbing or tincture of demodex topical, 1-2 times a day, the effect is also good.