Hypertensive disorders in pregnancy are common obstetric disorders, mostly occurring after 20 weeks of gestation, characterized by hypertension and proteinuria, and may be accompanied by systemic multi-organ impairment or failure, and in severe cases, maternal and fetal complications leading to intrauterine fetal death and endangering the mother’s life. Therefore, prevention and early diagnosis are particularly important. The factors that make pregnancy hypertensive disease more likely include: pregnant women over 40 years old, multiple pregnancies, short and fat, malnutrition, mental stress, high work intensity; family history of hypertension, mothers or sisters who have suffered from pregnancy hypertension; my own pregnancy with pregnancy hypertension; chronic hypertension, diabetes, nephritis, autoimmune disease, blood disorders, etc. before the current pregnancy. The occurrence of this disease is closely related to climate change, and it is easy to develop in the winter and early winter cold season and under the condition of elevated air pressure. How to prevent hypertensive disorders in pregnancy? There are 7 precautions: 1, during pregnancy to maintain a positive and optimistic attitude. 2, during pregnancy to strengthen nutrition and appropriate rest, sleep in the left side of the bed, at least 8 to 10 hours of sleep per day; pregnancy to increase nutrition, especially high protein, vitamins, folic acid, calcium, iron and other trace elements intake, reduce the intake of fat and salt, limit the intake of sweets, the intake of fruit should not be too much. 3, during pregnancy to carry out formal prenatal checkups, if possible, it is best to monitor blood pressure before pregnancy to understand the basic level of blood pressure, overweight people are best to lose weight before pregnancy. 4, pay attention to the weight gain during pregnancy, if the diagnosis of gestational hypertension disease, can be measured once in 3 days, if more than 0.5kg there is a possibility of edema; if the weight gain is too fast, or have dizziness, headache, blurred vision, chest tightness, breath-holding, upper abdominal discomfort, nausea and vomiting, lower abdominal pain, vaginal bleeding or fluid, urine volume is reduced or the urine is coffee-colored or soy sauce urine, or have blood pressure should promptly seek medical attention. 5. Blood pressure should be measured after 10 to 15 minutes of rest and calmness during each labor test. Once the blood pressure is found to exceed 140/90mmHg during the delivery, the possibility of hypertension should be considered; or if the blood pressure exceeds 130/80mmHg, it should be considered as critical hypertension, and the blood pressure should be monitored and recorded at home. 6, pay attention to the safety of the fetus in the womb, first learn to count fetal movements, each pregnant woman will feel a constant according to their own observations, as a standard to monitor the safety of the fetus in the womb. If you find too much or too little fetal movement, you should immediately seek medical attention. 7, be alert to the occurrence of placental abruption, one of the complications of hypertension, once the abdominal pain or with vaginal bleeding or abnormal fetal movement, be sure to immediately seek medical attention.