Chinese medicine believes that whether for health maintenance or other purposes, one can eat less, but not less. At present, due to the improvement of living conditions, over-nutrition can cause various metabolic disorders in the body, such as the three highs. In addition, after over-nutrition, the body’s qi and blood congestion, relative lack of digestive capacity, and the body’s functions are in a low state. Therefore, reducing the amount of food eaten at dinner will allow the stomach and intestines to have a longer period of time to digest food and have some time to rest and reduce its load, which will be more beneficial to improving the function of the stomach and intestines and the state of the body.