The diet of diabetic patients should be a balanced diet, that is, under the premise of controlling the total calories, the types of cereals, meat, eggs, milk, vegetables and fruits should be as complete as possible to obtain balanced nutrition. It is recommended to eat vegetables with low glycemic index such as cucumber, tomato, vegetables and celery. Fruits, such as grapefruit, kiwi, strawberry and green apple. Choose high-quality protein such as lean meat, milk and fish as protein. It is best to choose coarse grains such as corn as the staple food.