Compulsory medical checkups for diabetic patients include fasting blood glucose, two-hour postprandial blood glucose, glycated hemoglobin, etc., to assess recent blood glucose control. If the disease is longer diabetic patients can also do fundus examination, vascular ultrasound, urine microalbumin, etc. to assess complications. 1. Compulsory examination: routine examination including blood routine, liver and kidney function, blood lipids, urine routine, etc. to assess the general condition, and perfect fasting blood glucose, OGTT two-hour blood glucose (two-hour postprandial blood glucose), glycated hemoglobin to assess the recent blood glucose control. 2. Complications examination: including fundus examination, vascular ultrasound, urine microalbumin, etc., screening for diabetic retinopathy, diabetic vasculopathy, diabetic nephropathy and so on. Diabetes will cause harm to all organs of the body, patients need regular medical checkups to monitor the changes of the disease, and follow the doctor’s instructions to take medication regularly.