Warts are benign growths caused by human papillomavirus (HPV) infection of the skin mucosa. Common clinical conditions include common warts, flat warts, plantar warts and condyloma acuminata. Warty epidermal dysplasia is also thought to be closely associated with HPV infection. The source of infection is the patient and healthy carriers and is transmitted mainly by direct or indirect contact. The common clinical types of causes: a. Common warts: commonly known as “wart”, “wart”, occurring between the ages of 5 to 20 years. 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 you can find a lot of people who are not able to get a good deal on this. The reason for this is because of trauma, friction, sweaty feet, etc. can promote its occurrence. The clinical manifestations are skin-colored or pink flat papules, mostly found on the face and back of the hands, no obvious conscious symptoms, the disease process is chronic. The reason for this is that it is transmitted through direct or indirect contact. The actual genital warts: also known as condyloma acuminatum, is often found in the sexually active young and middle-aged.