There is no such thing as “what tea is best for high blood sugar”, tea does not have the effect of lowering blood sugar, diabetic patients can choose to drink the type of tea according to their own preferences, such as green tea, black tea, etc., but in moderation. Green tea, black tea, pu-erh tea and other tea contains caffeine, tea polyphenols and other components, can play a refreshing, antioxidant, eliminate fatigue and other effects, so diabetic patients can according to their own preferences to drink tea, but should not be a one-time large amount of drinking. Although drinking tea has certain benefits, but diabetic patients should not put sugar in the tea, is not conducive to blood sugar control, but also should not drink strong tea, because strong tea will stimulate the gastric mucosa. In daily life, patients with high blood sugar should maintain a healthy diet, avoid eating cakes, milk tea, fried chicken and other high-sugar, high-fat food. Diabetic patients should actively cooperate with the doctor for treatment and eat reasonably under the doctor’s guidance.