Frequent stomach accumulation of food may be caused by slow gastrointestinal peristalsis, improper diet and stomach diseases. 1. Slow gastrointestinal peristalsis: mostly seen in infants and young children, the elderly and people who usually have little exercise. Infants and young children due to the gastrointestinal function is not yet perfect development, so the slow gastrointestinal peristalsis, the elderly is mainly caused by the weakening of gastrointestinal function. 2. Improper diet: may be too much to eat not easy to digest food, for example, too much to eat meat easily caused by gastric stagnation, but also may be caused by overeating, often one-time too much food leading to food accumulation. 3. Stomach disorders: For example, chronic gastritis, a decrease in stomach function, can easily lead to frequent accumulation of food in the stomach. Often stomach accumulation of food must improve the diet, eat small meals, avoid eating food that is not easy to digest, usually appropriate activities, if necessary, go to the hospital.