Cin1 grade usually refers to cervical cin1, which is a low-grade lesion of cervical intraepithelial neoplasia, and this type of patient is not recommended to get pregnant during the period of illness, and it is recommended to get pregnant after treatment. Cervical intraepithelial neoplasia usually refers to the replacement of the cervical epithelium by cells with varying degrees of heterogeneity, and it is a cervical lesion closely related to invasive carcinoma of the cervix, which is prevalent in women aged 25-35 years. The reasons for the appearance of the disease are considered to be related to early sexual intercourse, sexual disorders, HPV infection, multiple births and other factors. Most of the patients do not have obvious symptoms, but occasionally vaginal discharge with or without odor, and very few patients may have contact bleeding after sexual intercourse. For patients with cervical intraepithelial neoplasia, pregnancy should be avoided, the need to first actively cooperate with the doctor, for the treatment of primary diseases, if necessary, can choose the cervical conization of the way to intervention, to improve the therapeutic effect.