Weight reduction: The method is to reduce calories, dietary balance, increase exercise, and keep BMI at 20-24. Weight reduction is very beneficial to health, such as an average weight loss of 5 kg in the population, a 10% reduction in weight in hypertensive patients, and can also improve diabetes, hyperlipidemia and left ventricular hypertrophy and other diseases. Second, a reasonable diet: 1, salt restriction, the northern first per person / daily salt down to less than 8g, and then controlled at less than 6g, the southern control at less than 6g. The first thing to do is to reduce the salt used in cooking and the seasonings with high salt content, and eat less salty dishes and salt products. 2, reduce dietary fat, total fat.