The patient afternoon flatulence, mainly consider the following aspects of the cause: 1, improper diet at noon: too many meals at noon, too cold, too oily and spicy, as well as eating too much meat, eggs, milk or soybean products, will induce stomach discomfort, flatulence, acid reflux and other symptoms in the afternoon. 2, the existence of chronic gastric disease: such as chronic gastritis, peptic ulcer, gastroesophageal reflux disease, gastric tumors and other diseases in the midday after the stimulation of the meal will appear Gastric distension and other uncomfortable symptoms, it is recommended to carry out gastroscopy to clarify the cause of the disease, and give the cause of the treatment. 3, immediately after the meal lying down: especially at noon time is more intense, immediately after the meal lunch break, no movement can lead to food indigestion. Appearance of the above situation should be appropriate to increase the amount of exercise, daily life to eat more warm, soft, light, easy to digest food, avoid overeating, avoid spicy, cold, greasy and other stimulating food intake, and eat less and more meals.