Diabetes complications on human health does not have the so-called two biggest hazards, this statement is wrong, diabetes complications on human health is more harmful to diabetic ketoacidosis, diabetic foot, diabetic nephropathy, and so on. 1. Diabetic ketoacidosis: an acute complication of diabetes, there can be severe dehydration, electrolyte acid-base metabolism disorders, can be manifested as nausea, vomiting, exhaling rotten apple flavor, the serious can be coma or even life-threatening, the condition of the critical. 2. Diabetic foot: diabetic foot is based on diabetic neuropathy and vasculopathy, foot infections, ulcers or deep tissue destruction, diabetic foot is a serious chronic complication of diabetes mellitus, is very easy to combine with systemic infections, which may lead to disability and death. 3. Diabetic nephropathy: a microvascular complication of diabetes, proteinuria, edema, and renal failure in the later stages, which can be life-threatening in severe cases. Diabetic patients should go to the hospital, standardized treatment under the guidance of the doctor, control blood sugar, delay or avoid the occurrence of diabetic complications.