Diabetes is a systemic, long-term, chronic, progressive disease, and it is a disease that leads to death. However, with the advancement of medicine, although most diabetes cannot be reversed yet, life expectancy can be the same as normal as long as a combination of monitoring, diet, exercise, and medication is taken to bring blood sugar up to standard. However, if you have diabetes and do not actively manage it, monitor it, control it with diet, exercise therapy, medication, etc. The increase of blood glucose will bring acute complications, such as diabetic ketoacidosis, diabetic lactic acidosis, hyperglycemic hyperosmolar syndrome, and these acute complications have a high mortality rate. And chronic complications of diabetes, such as diabetic kidney damage uremia and diabetic cardiovascular disease can kill diabetic patients. In conclusion, diabetic patients should be actively managed and treated comprehensively. Make blood pressure, blood lipids, blood viscosity, blood sugar, blood uric acid and other comprehensive standards, in order to work, live, study and live a long life as normal people.