1. The following points should be paid attention to in diet conditioning: ① Adopt a balanced diet and eat both nutrients to ensure the intake of comprehensive and sufficient nutrients and promote physical fitness. 2 develop good eating habits, eat extensively, and don't pick and choose. Young girls should not pursue slim figure unilaterally, dieting and partial eclipse will cause insufficient nutrition. ③ If accompanied by anemia and malnutrition, foods rich in "hematopoietic raw materials" such as protein, iron, copper, folic acid, vitamin B12 and vitamin C should be used first. Such as lean meat, pork liver, fish, eggs, milk, bean products, various fresh vegetables and fruits. ④ Be properly filled with more salt. Contrary to hypertension, people with low blood pressure should often eat foods with high sodium and cholesterol. Sodium salt can increase blood pressure by increasing the body's blood volume and enhancing the tension of blood vessels. 1-15 grams of salt should be taken every day. ⑤ You can often eat dried fruits such as jujube, lotus seeds, longan and mulberry, which have the effects of nourishing the heart and blood, invigorating the spleen and nourishing the brain, and help to enhance the regulation of the autonomic nervous system on blood vessels. 2. Insisting on physical exercise, lack of physical activity and weak constitution are one of the causes of hypotension. Therefore, we should stick to sports activities at ordinary times. Through exercise, muscles can be strengthened, physical fitness can be enhanced, heart function can be enhanced, blood vessel tension can be enhanced, and the function of nervous system can be adjusted, so that the cardiovascular system can better adapt to various changes in the internal and external environment of the body, and hypotension can be gradually improved. 3. Self-regulation in life to prevent dizziness First of all, life is orderly, work is arranged reasonably, and work and rest are combined to ensure adequate rest and avoid overwork. It is not advisable to squat for a long time when working and defecating. When standing, don't be too hard, stand up slowly, and it is best to hold the wall or something to prevent fainting. When you get up at night to urinate, especially the elderly, don't get up too quickly to prevent syncope. Usually, drugs that can easily cause postural hypotension, such as antihypertensive drugs, antipsychotics and vasodilators, should also be avoided.