There is no conclusive evidence that drinking tea can lower blood sugar. Whether it is black tea, green tea, flower tea, Pu-erh tea, patients with diabetes can drink appropriate. But try to avoid drinking tea during meals, too much tea intake may speed up the absorption of carbohydrates, which is not conducive to blood sugar control. At the same time, try to avoid drinking strong tea for a long time, because strong tea may cause calcium loss, affecting the health of diabetic bones. For patients with diabetes, it is recommended that they visit an endocrinology clinic in time to monitor their blood glucose, and under the guidance of a doctor, individualized glucose-lowering programs will be given to patients according to their blood glucose situation. Remember to listen to prescriptions and rumors to avoid delays.