People with high blood sugar need to eat three meals a day with a good mix of meat and vegetables, control the total energy intake, eat more fresh vegetables as appropriate to ensure a balanced nutritional intake, and if necessary, consult a nutritionist. People with high blood sugar should follow the principle of eating less and more meals in their lives, because eating too much at each meal may lead to uncontrolled blood sugar in the body, and may also make people accumulate a lot of fat in the body, leading to obesity. The probability of developing diabetes will then be greatly increased. It is usually recommended to be able to control the intake of each meal and rationalize it. High blood sugar patients in daily life, it is recommended to eat low glycemic index, high vitamin, high dietary fiber food, and appropriate supplementation of protein and minerals; not recommended to eat high sugar, high salt, high fat, high calorie and high carbon water food. Exercise moderately, control body weight, limit salt, quit smoking, limit alcohol, and maintain psychological balance. Seek medical advice when abnormal blood glucose levels are detected.