Warts are benign tumor-like growths on the skin and mucous membranes caused by human papilloma virus. They can be classified as common warts, flat warts, and condyloma acuminata, of which common warts are the most common. 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. It is a good idea to take a look at the face, the elbow joints of the upper extremities, some of which occur in the lower extremities before the shins or ankles. 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. The actual fact is that there is no conscious symptom, some patients have itching, foreign body sensation, pressure or pain. In addition, if there are generalized generalized flat warts or common warts, it is necessary to consider the possibility of warty epidermal dysplasia, and a few patients may develop into squamous cell carcinoma, which needs to be taken seriously.