There are individual differences in how long preeclampsia can last at 33 weeks of pregnancy, if it can be controlled and not continue to develop, it can last until full term, if it can’t be controlled and the condition worsens, the pregnancy should be terminated in a timely manner. Pre-eclampsia is associated with higher blood pressure, increased proteinuria, and complications such as swelling and damage to other organs, which can jeopardize the life and health of the pregnant woman. Pre-eclampsia with the increase in gestational weeks may be progressive aggravation of mild pre-eclampsia follow the doctor’s instructions to take timely medication to control blood pressure, the condition is stable, good fetal development can be kept to 37-38 weeks delivery, for severe pre-eclampsia may threaten the life of the pregnant woman, the general positive antihypertensive, antispasmodic, and to promote the maturation of the fetal lungs 48 hours after termination of pregnancy. 33 weeks pregnant with pre-eclampsia can not be sure to last until full-term, we should go to the hospital in time, according to the pregnant woman’s own situation to give reasonable treatment.