Diabetic vomiting can be seen in diabetic ketoacidosis, hyperosmolar hyperglycemia syndrome, can cause electrolyte disorders, impaired consciousness and other serious consequences, survival cycle according to the effect of treatment to determine, such as timely correction and reasonable control of blood glucose can generally get the same life as the normal person, such as untreated may be coma or even death. 1. Diabetic ketoacidosis is an acute complication of diabetes mellitus, which can be manifested as vomiting, expiration of rotten apple flavor, the consequences of which are mainly serious metabolic disorders, ketone body accumulation, and even coma leading to death. Once discovered, it should be treated in a timely manner, mainly replenishment of fluids, maintenance of electrolyte balance, hypoglycemic treatment. 2. Hyperosmolar hyperglycemia syndrome is characterized by severe hyperglycemia, high plasma osmolality and dehydration, manifested by severe dehydration and neuropsychiatric symptoms, the consequences of which are mainly critical condition, many complications, high lethality, and prone to life-threatening complications such as delirium, cerebral edema, etc., and can also die within a short time after remaining in coma. The prognosis of the above acute complications is generally better after active treatment, and the specific survival time is determined by the daily control of blood glucose. If left untreated, death can occur within a short period of time. Vomiting in diabetes mellitus is mostly related to poor blood sugar control, therefore, once diabetic patients experience discomfort, they should consult a doctor in a timely manner, standardize the treatment under the guidance of the doctor, and pay attention to controlling blood sugar and avoiding sweets in daily life.