The blood pressure range of normal low blood pressure Systolic blood pressure is between 90-99 mmHg Diastolic blood pressure is between 60-64 mmHg It is recommended that patients in normal low blood pressure should pay attention to the prevention of hypotension in their daily life. Prevention can be done by the following requirements: 1. Actively participate in physical exercise, the intensity of exercise should be maintained as low to medium intensity, mainly aerobic training, such as walking, jogging, cycling, swimming, tai chi, etc. If discomfort occurs during exercise, it is recommended to stop immediately to avoid adverse effects; 2, daily to ensure a variety of food, the diet can increase the intake of green vegetables and fresh fruit and food with high calcium and high quality protein, such as celery, broccoli, pears, apples, dairy products, eggs, etc., drink more water, eat more soups, daily intake of normal or slightly more than the normal amount of salt; 3, bed rest when getting up, should When you get up from bed rest, you should get up slowly and avoid sitting up suddenly to prevent transient cerebral ischemia; you can also close your eyes before standing, bend your neck forward to the maximum, and then stand up slowly for about 10-15 seconds before walking, which can achieve the purpose of preventing upright hypotension; 4, for young and thin women with low basal blood pressure, you can increase water intake to help increase blood volume and improve hypotension or wear some tighter underwear for the lower body, such as elastic stockings, etc., to increase venous reflux and save hypertension; 5, regular monitoring of blood pressure, the measurement needs to be monitored at regular intervals, fixed position, fixed location, fixed sphygmomanometer, and take the average of 3 times. In case of dizziness, headache, loss of appetite, easy fatigue, pale, unresponsive or uninspired, it is recommended to visit the hospital promptly, and if necessary, additional blood pressure-raising drugs can be used.