For women of advanced maternal age, if they want to better prevent hypertension during pregnancy, they must first pay attention to weight control and pay more attention to their diet. As the pregnancy months increase, the heart load increases and the patient may experience elevated blood pressure, difficulty breathing or heart failure. Weight is often directly proportional to blood pressure, control the weight is the key to prevent hypertension, do not gain weight in the short term, too much reasonable nutrition, neither lead to malnutrition, but also will not make pregnant women gain too much weight. It is recommended that patients should pay attention to a low-salt, low-fat diet on a regular basis, regular rest and rest, avoid straining and staying up late, keep the total salt intake below six grams per day, and exercise appropriately, for example, by walking slowly. For high cholesterol, high calorie food, try to eat less or not. Eat more fresh fruits and vegetables, which are rich in potassium, magnesium and folic acid and help lower blood pressure and prevent weight gain. In addition to the above precautions, patients are also advised to pay attention to a high-quality protein diet and to enhance nutrition to prevent anemia. Nutritional deficiencies, hypoalbuminemia and severe anemia are the main factors leading to hypertension in pregnancy. It is important to pay attention to regular maternity checkups and to take blood pressure and heart rate regularly during the week to help detect abnormalities of hypertension early. It is also important to check the urine routine to detect the presence of proteinuria at an early stage. It is important to keep your mood happy during the day. Excessive stress and anxiety, as well as high mental stress, can lead to increased blood pressure. It is important to get enough sleep daily to prevent hypertension in pregnancy.