There is no evidence that mulberry leaf tea has a hypoglycemic effect. Diabetic patients can control their blood sugar mainly through dietary regulation, exercise and treatment with hypoglycemic drugs. Dietary regulation mainly includes eating less food with high sugar content and high glycemic index, eating more fresh fruits and vegetables, eating less and more frequent meals, and formulating scientific and rational individualized recipes. Diabetes mellitus is a metabolic disease characterized by chronic elevation of blood glucose levels, and diabetic patients should be managed in an integrated manner, including diabetes education, medical nutrition therapy, exercise therapy, blood glucose monitoring and medication. In terms of diet, diabetic patients should be scientific and rational, with diversified food. It is advisable to eat low sugar, low salt, low fat diet, you can eat foods with low glycemic index, fresh vegetables such as cucumbers, tomatoes, etc., fruits such as green apples, grapefruit, strawberries, etc., staple food can eat oatmeal, brown rice, etc., and moderate supplementation of meat, eggs, milk and other high-quality protein foods. Usually more exercise, pay attention to monitoring blood sugar. Diabetic patients should be under the guidance of physicians to develop their own dietary recipes, control blood glucose stabilization, and promptly consult a doctor if they are unwell.