High blood sugar should pay attention to diet and life, exercise, blood sugar monitoring and standardized treatment. First of all, we should pay attention to diet, that is, we often say, should control the mouth, should be based on their own physical condition and nutritional status to choose a reasonable diet structure, limit the intake of high-sugar foods, do not overeat, life, diet regular, do not stay up all night, avoid late-night snacks, quit smoking, limit the alcohol, quit bad habits. The second is to insist on exercise, regular monitoring of body weight, to maintain body weight at a normal level for a long time, when the weight increase is, should be timely to limit the diet, gradual and measured increase in the amount of exercise, so that it will be as early as possible to reduce the weight to the standard range. The third is the monitoring of blood glucose, once found high blood glucose need to pay close attention to the weekly monitoring of blood glucose before and after meals, every 3 months to monitor glycosylated hemoglobin, annual comprehensive physical examination, in order to early occurrence of hyperglycemia-related complications. Fourthly, according to the monitoring of blood glucose and according to the physical condition, under the guidance of the doctor to receive standardized and reasonable treatment, to achieve a smooth lowering of glucose, and long-term maintenance of blood glucose stability. In addition, there is also the understanding of the correct treatment of diabetes, not to be biased, into the wrong area. Therefore, once you find high blood glucose, you should strictly follow the requirements of diabetes management to achieve a reasonable diet, healthy life, regular and appropriate amount of exercise, regular blood glucose monitoring and checking of the body, and receive individualized treatment to maintain long-term stability of blood glucose, and delay the occurrence of complications.