Elderly people with high blood sugar and no appetite are generally due to high blood sugar, gastrointestinal disorders or side effects of hypoglycemic drugs, etc. It is recommended to clarify the causes, improve lifestyle, take hypoglycemic treatment, take gastrointestinal disease treatment drugs, adjust hypoglycemic drugs and other ways. 1. High blood sugar: the elderly high blood sugar without appetite is generally due to high blood sugar caused by general weakness, gastrointestinal discomfort and other manifestations, you can regularly take hypoglycemic drugs, adhere to a low-sugar diet, regular exercise, improve physical fitness at the same time, the symptoms of lack of appetite can be improved. 2. Gastrointestinal dysfunction: high blood sugar in the elderly without appetite may also be due to gastrointestinal dysfunction, high blood sugar in elderly patients may be combined with gastrointestinal disorders, the patient can adjust the dietary structure, eat less and more often to improve, if necessary, can be taken through the use of amoxicillin capsules and other causes of gastrointestinal disorders, so that the symptom of lack of appetite can be improved. 3. Side effects of hypoglycemic drugs: the elderly high blood sugar without appetite may also be due to hypoglycemic drugs such as metformin hydrochloride and other drugs caused by gastrointestinal side symptoms, the patient may not be able to adapt to eat just eat a period of time to be adapted to the body after the lack of appetite symptoms can be improved, difficult to tolerate can be adjusted under the guidance of a doctor. It is recommended that once an elderly person is found to have high blood sugar and no appetite, he or she should be taken to a doctor to complete the relevant examinations and standardize the treatment. In addition, drugs may have side effects, should be used under the guidance of a doctor, do not blindly use drugs.