The cervical opening of one finger in 6 months of pregnancy is considered to have preeclampsia, which can be treated by general treatment, medication and, if necessary, surgery. 1. General treatment: appropriate rest, strictly prohibit sexual intercourse, pay attention to supplemental nutrients, and relieve the nervousness of pregnant women. 2. Drug treatment: mainly supplemental progesterone such as dextroprogesterone, can be used until 1 to 2 weeks after the disappearance of signs of preeclampsia, if the symptoms of vaginal bleeding, you can use non-fetotoxic antibiotics, such as penicillin, for the prevention of infection treatment. 3. Surgical treatment: If the fertility preservation treatment is ineffective, there is an increase in vaginal bleeding, or there is a fetal abnormality, you can perform a hysterectomy or curettage. If the cervix opens one finger in the sixth month of pregnancy, you should seek timely medical treatment.