A diabetic patient with fasting blood glucose of 17 mmol/L may not have an impact on eventual life expectancy with standardized treatment to control diabetic complications. However, when fasting blood glucose 17mmol / L, it is likely that diabetic ketoacidosis has occurred, which is an acute complication of diabetes, requiring immediate treatment, the condition will be life-threatening in serious cases. Fasting blood glucose normal value of 3.9mmol / L ~ 6.1mmol / L, the patient fasting blood glucose 17mmol / L, is likely to lead to a variety of diabetic complications, such as diabetic nephropathy, diabetic ophthalmopathy, diabetic neuropathy, but also can lead to diabetes, acute complications, such as diabetic ketoacidosis, diabetic ketoacidosis, hyperglycemic hyperosmolar syndrome, and other symptoms, the severity of which is life-threatening. Life. It is recommended that patients with high fasting blood glucose should go to the hospital in time for standardized treatment under the guidance of a doctor, so as not to delay the condition, leading to the emergence of a variety of complications, which will affect the life and health of the patient.