Fasting blood glucose 9.6mmol/L is generally abnormal and high, consider that it may be diabetes and other diseases. The normal value of fasting blood glucose is 3.9~6.1mmol/L. If the fasting blood glucose is greater than or equal to 7.0mmol/L with typical diabetic symptoms, the diagnosis of diabetes should be considered. Diabetes mellitus is a metabolic disease characterized by chronic hyperglycemia caused by multiple etiologies. It can lead to chronic progressive lesions in tissues and organs, and acute metabolic disorders can occur in severe cases. Treatment should be carried out in time to control hyperglycemia and prevent the development of chronic complications. If fasting blood glucose increases, it should be admitted to the hospital in time and treated under the guidance of the doctor.