The initial stage of warts, warts patients often do not feel discomfort, so some patients do not pay enough attention. 2, infected babies, affecting the quality of reproduction: pregnant women with genital warts, during childbirth, through the birth canal of the baby may be infected, causing infants and children to bite the suction tract warts. 3, non-genital parts of the papilloma: through direct contact or indirect contact with contaminated objects, can lead to papillomas of the conjunctiva and papillomas of the oral mucosa.