Food does not have the pharmacological effect of lowering blood sugar. People with high blood sugar can reduce the effect of food on blood sugar by consuming some fruits and vegetables with low glycemic index and rich in vitamins and fiber. 1. low glycemic index: such as konjac, rye, barley, camelina, etc.. Foods with a low glycemic index have less impact on blood sugar and are suitable for people with high blood sugar, but intake also needs to be controlled. 2. Foods rich in vitamins and fiber: such as spinach, celery, lettuce, cucumber, tomatoes, enoki mushrooms, cherries and many other fresh vegetables and fruits, rich in a variety of vitamins, and dietary fiber content is high. If the blood sugar is too high, you need to consult a doctor in time, under the guidance of a professional physician to carry out scientific and reasonable treatment to reduce sugar.