Warts on the body are the result of being infected with human papillomavirus, which is also known as HPV infection. Different types of wart infections differ in their typing as well as in their triggering factors. 1. common warts: mostly due to HPV virus 1, 2, 4, 7 and 26 ~ 29 type infection, trauma, skin in the water for a long time immersion, skin and mucous membrane breakage as the main causative factors, children or AIDS, malignant lymphoma patients with increased risk of incidence. The main manifestation is the rough surface of the papules, the number is not certain. 2. Flat warts: mostly caused by HPV virus 3, 10, 28 and other types. This disease is contagious and can be spread through direct contact or indirect contact. It is common in teenagers, people with low immunity or trauma. 3. Plantar warts: mainly caused by HPV virus types 1, 2, 4, 27, 57, usually appearing on the heels, tips of the toes, the front of the soles of the feet. They are usually caused by long term friction or trauma to the foot resulting in skin breakage and can be painful when walking. 4. Condyloma acuminatum: mainly transmitted through sexual behavior, caused by HPV virus types 6, 11, 16, 18, 52, etc. It often occurs in people with high-risk sexual behavior. They mainly appear near the genitals and perianal area. In conclusion, it is recommended that you seek medical attention to determine the type of warts you have.