Diabetes is very dangerous and there are many serious complications that occur, such as diabetes can cause microvascular complications including diabetic nephropathy and diabetic retinopathy. Neuropathy includes peripheral neuropathy and vegetative neuropathy. People with diabetes are also at high risk of developing atherosclerosis, which can lead to stroke, heart attack and high blood pressure. Advanced diabetes symptoms include weakened skin resistance, itchy skin, wounds on the skin that do not heal easily, and loose teeth. Therefore, diabetic patients should strictly control high blood sugar, keep blood sugar stable, improve microcirculation, pay attention to healthy diet and moderate exercise.