1, personal hygiene: both men and women pay attention to the hygiene of sexual life, before each intercourse, the habit of washing the vulva. The woman should wash her vulva and change her underwear every day, and menstrual supplies should be clean and hygienic. 2, family planning: adhere to contraception, avoid premature, too much, too frequent childbirth and abortion. 3, sexual life: adolescent women’s cervical squamous epithelium has not yet developed, premature sexual life is easy to make the squamous cells off and cause chronic cervicitis. 4, treatment of circumcision: spouse circumcision, circumcision and dirt in the coronal groove, is an important factor leading to cervical erosion in the female. Therefore, male circumcision should be performed circumcision. 5, treatment of gynecological diseases: active treatment of acute cervicitis, endometritis, vaginitis and other gynecological diseases. 6, gynecological screening: married women should have a gynecological screening every six months or once a year as far as possible, and actively treat chronic cervicitis to prevent the occurrence of cervical cancer and precancerous lesions of the cervix.