The main types of warts are common warts, plantar warts, flat warts, and condyloma acuminatum. 1. common warts: all parts of the body can occur, but to the end of the limbs more common. The first time, the skin lesion is a pinhead size flat papule, can be increased to the size of a pea or larger, the skin color to brown, rough surface, clear boundary, hard texture, the number of varying, no obvious self-conscious symptom. 2. Plantar warts: these are common warts that occur on the soles of the feet and can be isolated plantar warts, mosaic warts (a group of dense warts concentrated together), proliferative warts and giant warts, etc. They can be accompanied by pain. 3. Flat warts: they are common in teenagers. The rash occurs on the face, back of the hands, neck, chest and forearms and other parts of the body, the performance of rice grains to soybean size flat papules, round, oval or irregular, the skin color, brown or reddish, border clear, surface smooth. It can be seen along the scratches arranged in a linear rash, for the virus autologous inoculation caused. 4. Warts: mostly caused by sexual transmission. This kind of warts often occur in the female vagina, vaginal mucosa and cervix; male urethra, coronary groove, inner foreskin and perianal. If warts occur, it is recommended to consult a doctor for a clear diagnosis and targeted treatment.