It is not advisable to eat one meal a day to lose weight. Weight loss has become a worldwide issue, and weight loss is related to two factors: 1, their own physique; 2, lifestyle habits. The former is mostly due to their own digestive function system is better, or less active, as well as their own dampness is relatively heavy, resulting in sodium and water retention, it is possible that in the process of weight loss, there is no great significant effect. Therefore, this situation requires improving one’s dampness and regulating one’s nutritional balance. The latter condition has a lot to do with eating fried and greasy foods, or foods that are not well digested, on a regular basis. Weight loss is a gradual process, and it is not recommended to eat only one meal a day, which can easily lead to poor digestion, or nutritional imbalance causing a weakening of the body, which can lead to a situation of reduced resistance. Therefore, weight loss should be a more systematic and comprehensive process, according to the specific reasons for each person listed in a detailed plan, step by step, further weight loss.