Eating vinegar does not generally have the effect of lowering blood glucose, vinegar as a food does not have a therapeutic effect and cannot replace the therapeutic effect of drugs. High blood glucose may be caused by physiological factors such as excessive intake of high-sugar diets, or by pathological causes such as impaired glucose tolerance and diabetes. General treatment and drug treatment can be chosen according to different causes. 1. Physiological causes: High blood glucose may occur due to physiological factors such as excessive intake of high-sugar diets and excessive mental stress. You can change your lifestyle, such as regular work and rest, not staying up late, and relaxing appropriately. At the same time, control weight and strengthen physical exercise. 2. Pathologic causes: (1) impaired glucose tolerance: it is an intermediate state between normal and diabetes, and also the phenomenon of high blood glucose can occur, you can adjust the diet to reduce the intake of high-sugar foods such as rice, chocolate, etc., and at the same time, you can combine with sports and exercise to control blood glucose, and temporarily do not need drug treatment. (2) Diabetes mellitus: Diabetes mellitus patients can not only control blood glucose through the above mentioned ways to improve lifestyle, appropriate exercise, etc., such as poor blood glucose control, but also need to follow the medical advice to take metformin, glibenclamide and other drugs for hypoglycemic treatment, if necessary, you can choose to inject insulin. If the blood sugar is high for a long time, through diet regulation, physical exercise control and other general treatment is ineffective, you should consult a doctor in a timely manner, under the guidance of a professional physician standardized hypoglycemic treatment, do not believe that a single food can lower sugar.