When warts first begin to grow, they are usually a single or multiple scattered reddish pimples with mild clinical symptoms. As the condition worsens, the size of the pimples will gradually increase, and oozing and vesiculation may also occur. Warts are caused by human papillomavirus infection and can be transmitted through sexual intercourse or indirect contact. In the early stages, they appear as single or multiple small reddish pimples, which are soft and gradually increase in number, and may be accompanied by mild itching and tingling, but the symptoms are not obvious. As the disease progresses, the papules may merge with each other and form cauliflower-like, papillary organisms, and there will be erosion, oozing and other symptoms, which is highly contagious. After the early symptoms of warts, the patient should be early medical examination and treatment, to avoid further aggravation of the disease.