Diabetic patients have many symptoms, if there is no appetite, no appetite, must be highly alert to several causes: 1, the occurrence of acute complications such as diabetic ketoacidosis, because patients with acute complications of diabetes are often significantly high blood sugar, more than 16.7mmol/L, resulting in the patient’s entire gastrointestinal tract appears obvious symptoms, in this case, it is possible to There are other causes including autonomic neuropathy of the gastrointestinal tract, which is also a common cause, especially in elderly diabetic patients, because these patients have a long history of diabetes and their gastrointestinal tract function is relatively disturbed, if combined with autonomic neuropathy, it is easy to produce no appetite, nausea, vomiting, digestive function, etc. If autonomic neuropathy is combined with this, it is easy to have no appetite, nausea, vomiting, and reduced peristaltic movement of digestive function. Therefore, for diabetic patients with no appetite, it is necessary to evaluate the cause and take timely and targeted measures.