There is no evidence that Panax ginseng has the ability to lower blood sugar. Diabetic patients can control 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 smaller and more frequent meals, and making 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 cucumber, tomato, celery, winter melon, 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. Exercise more often and pay attention to monitoring blood glucose. Panax ginseng belongs to traditional Chinese medicine, which has different effects on people with different physiques, so patients should ask their doctors before using it. If there is any discomfort, consult a doctor promptly.