Warts are contagious and can be contracted through direct contact with the patient’s skin lesions and indirect contact with contaminated items from the patient. Warts are caused by the human papilloma virus infecting the skin and mucous membranes, and are a benign proliferative disease that can occur on any part of the body. It is a benign proliferative disease that can occur in any part of the body. The source of infection of common warts is patients with common warts and virus carriers. The main way of transmission is contact infection, including direct contact and indirect contact. Healthy people can be infected when they come into direct contact with the skin lesions of patients with common warts. When a person with common warts scratches a localized skin lesion that breaks down and then touches other parts of the skin, the virus can be spread to healthy skin in other parts of the body. Good hygiene habits and active participation in sports to improve the body’s immunity can prevent the infection to a certain extent.