In the consultation for diabetic patients, we found an interesting phenomenon that after we made recipes according to their daily energy requirements, many patients reported that they simply did not eat as much staple food as we specified. Take a male patient of 175cm in height and 70Kg in weight who suffers from fatty liver, diabetes and dyslipidemia as an example. If calculated normally, his daily energy should be at least 2100 Kcal, and according to the reference amount of each nutrient supply ratio, his daily staple food can reach 325g, and he is still raw weight. When many patients talked about the amount of staple food, they were very surprised and said, “I can’t eat that much, nor have I ever eaten that much, that’s it, I still can’t control my blood sugar, how can I eat that much more?” The tone was full of distrust. In fact, blood sugar can not be controlled, sometimes it is the side dishes eaten unreasonably, so that the main food for nothing to take the blame. I say this because the dietary survey conducted at the beginning of the consultation showed that his daily food included a lot of meat and alcohol in addition to a relatively small amount of staple foods. It was obvious that he was only paying attention to control the main food but not the side food. In this way, the calories in the body are excessive in the long run, energy metabolism and glucose metabolism are affected, excess energy has no place to be consumed, and fat is so much that it does not need to be stored anymore, so that blood sugar is high up. So the diet of diabetic patients, the main and side food together, not the main food dare not eat, meat and wine a large, so that not only unstable blood sugar control, but also easy to lead to metabolic disorders, triggering ketosis.