Warts are a disease caused by human papilloma virus infection, which is contagious and can be passed on to others through close contact. Warts are a benign proliferative disease caused by human papillomavirus infection. The lesions are cauliflower-like, papillomatous, grayish-white or light brown in color, and hard to the touch, and are commonly found on the fingers, backs of the hands, and backs of the feet. Most common warts will subside naturally within a few years, and can be removed by medication or physical therapy due to aesthetic or physical discomfort, with a better prognosis. The warts are contagious and may spread through scratching or may be passed on to others through close contact. It is recommended that patients do a good job of daily care, avoid scratching, friction warts, touching the warts with their hands need to be thoroughly cleaned, do not share bath towels, towels, shaving razor and other personal belongings, in order to avoid the spread of warts, or infected to others.