Diabetic toxicity mainly refers to diabetic ketoacidosis, which is a relatively acute and serious complication of diabetes, mainly because the blood glucose level is very high, plus the insulin secretion is also insufficient, the body can not use glucose for energy metabolism, and can only carry out the oxidative decomposition of fat in the body, ketone bodies are the products produced in the process of massive oxidative decomposition of fat, ketone bodies, if produced in excess, will lead to patients with If too many ketone bodies are produced, it will lead to ketoacidosis, which is manifested as nausea, vomiting or even coma, shock and other more serious conditions. After the diagnosis of diabetic ketoacidosis is clear, timely rehydration, insulin hypoglycemia and other treatments are necessary to turn the situation into a safe one.