Normal blood pressure range Systolic blood pressure is between 100-119 mmHg Diastolic blood pressure is between 65-79 mmHg Recommendations Currently, the important risk factors for the development of hypertension in China include high sodium and low potassium diet, overweight obesity, excessive alcohol consumption and long-term mental stress, among which, high sodium and low potassium diet and overweight are most associated with hypertension, other risk factors include age, family history of hypertension, lack of Other risk factors include age, family history of hypertension, lack of physical activity, and diabetes and dyslipidemia. The vast majority of hypertension can be prevented and controlled, but it is difficult to cure. Therefore, even people with normal blood pressure, whether or not they have a family history of hypertension, are likely to increase their chances of developing hypertension as they age, so controlling risk factors is the key to preventing hypertension. People with normal blood pressure should pay attention to the measurement of blood pressure on a daily basis, and the measurement should be taken at regular intervals, in a fixed position, at a fixed location, and with a fixed sphygmomanometer, and the average value should be taken three times. In addition, for people with high sodium and low potassium diet, attention should be paid to reduce the intake of sodium and salt, the dietary guidelines for Chinese residents recommend that the total daily salt intake per person should be controlled at less than 6g, and the salt intake of diabetic and hypertensive patients should not exceed 3g, while appropriate hydration, the daily intake of water per person in 2000-2300ml; for obese people with BMI ≥ 24, attention should be paid to control For obese people with BMI ≥ 24, they should pay attention to weight control, men should control their waist circumference below 90cm, and women should control their waist circumference below 85cm; smokers should quit smoking completely and avoid passive smoking at the same time, and drinkers should quit or limit alcohol consumption, and enhance physical exercise to ensure 30-60 minutes/time, 4-7 times/week of moderate intensity exercise. In addition, for people with high life and work stress, attention should be paid to adjusting the mindset, improving lifestyle, reducing late nights, reducing mental stress and maintaining psychological balance.