After ketoacidosis, patients will have the following symptoms: i. Symptoms of gastrointestinal reactions such as loss of appetite, nausea and vomiting. Second, the breath exhaled by the patient smells like rotten apples, and there are also symptoms such as shallow, fast breathing and even respiratory failure. Dehydration and shock symptoms may occur. In severe cases of dehydration, there may be oliguria, anuria, dry skin and insufficient blood volume, which may be manifested as rapid heartbeat, decreased blood pressure or even coma and shock. Fourth, abnormal mental condition, patients will appear headache, dizziness, irritability, coma, drowsiness and other symptoms, many patients in the late stage of dehydration is more serious, will appear the performance of hypertonic circulatory failure.