The development of high blood pressure in pregnancy at 30 weeks, called gestational hypertension, is more serious. Gestational hypertension refers to elevated blood pressure that occurs after 20 weeks of gestation. Gestational hypertension is considered one of the four leading causes of maternal mortality and can lead to complications such as fetal growth restriction, preterm labor, placental abruption and stillbirth. Moreover, as the duration of pregnancy increases, the patient’s high blood pressure and the corresponding impaired kidney function will gradually worsen. For pregnant women with gestational hypertension, it is recommended that they need to monitor their blood pressure dynamically, determine whether there is any abnormality in blood and urine routine, pay attention to fetal heart monitoring, and pay attention to ultrasound to monitor the growth of the fetus. At this time you need to be under the guidance of the doctor reasonable choice of treatment program. For patients with gestational hypertension, it is recommended to consult the cardiovascular department of regular hospitals and choose reasonable drugs for treatment.