The incidence of complications in type 1 diabetes is related to the duration of diabetes. The probability of diabetic complications is as follows: diabetic patients with more than three years of diabetes have about 46 percent probability of developing complications; diabetic patients with more than five years of diabetes have about 61 percent probability of developing complications; diabetic patients with more than ten years of diabetes have 98 percent probability of developing complications. Diabetes is a chronic hyperglycemic disease caused by a variety of etiological factors. Long-term increase in blood glucose can cause macrovascular and microvascular lesions, endangering the heart, brain, kidney, retina, feet, peripheral nerves and other parts of the body, so it is important to pay attention to regular monitoring of blood glucose, and to maintain the blood glucose level at a steady state under the guidance of a doctor. If diagnosed with diabetes mellitus, you should standardize the use of medication under the guidance of your doctor and undergo regular checkups in order to reduce the adverse effects of the disease.