Staple foods suitable for diabetics include corn, black rice, quinoa, buckwheat, oats, and coarsely processed rice, which can be paired with staple foods, and should be reduced to congee, white rice, ramen, and chow mein as staple foods. Diabetic patients should maintain a low-salt, low-fat, low-sugar diet, the choice of staple foods can increase the dietary fiber-rich and low glycemic index foods, such as corn, black rice, quinoa, buckwheat, oats and roughly processed rice, and is recommended to be made into dry grains to eat. This kind of food not only after eating will not cause large fluctuations in blood glucose, and the dietary fiber can enhance the sense of satiety, but also promote intestinal peristalsis, so diabetic patients can be appropriate to eat this kind of food as a staple food. Refined rice, refined flour glycemic index is higher, and porridge, paste staple food easy to be digested and absorbed, sugar faster, it is recommended to reduce consumption. Patients diagnosed with diabetes should actively cooperate with the doctor’s treatment and maintain a healthy diet to help maintain stable blood sugar.