One meal a day for a month has no benefits, easy to lead to malnutrition, hypoglycemia, gastric ulcers and so on. 1. Malnutrition: If you eat only one meal a day for a month, it will lead to insufficient nutritional intake is not enough, the body consumption and thus malnutrition. 2. Hypoglycemia: If you eat only one meal a day for a long time, the glucose level in the plasma will be lower than normal, which can easily lead to hypoglycemia, and even frequent hypoglycemic reactions. 3. Gastric ulcer: eating only one meal a day will cause the stomach to secrete gastric acid for a long time in a state of starvation, which will cause direct stimulation of the gastric mucosa, thus causing gastric diseases, such as gastric ulcer, and patients will often have heartburn, acid reflux, nausea and other symptoms. It is recommended to have meals on time every day and keep a diversified diet, avoiding partiality or picky eating. Do not adapt to the timely consultation, follow the doctor’s instructions for treatment.