The causes of slow digestion are: 1, the peristalsis of the stomach is too slow leading to delayed gastric emptying, excessive accumulation of food in the intestinal tract appear bloating, epigastric discomfort, belching, early satiety and other symptoms, you can eat more vegetables and fruits through a reasonable diet, avoid eating cold, greasy, spicy, stimulating food, avoid overeating, irregular diet, etc., through exercise to improve the gastrointestinal motility problems. 2, long-term use of special The drugs have damage to the gastrointestinal tract, resulting in gastrointestinal too slow. 3, emotional impact, long-term lack of sleep, mental stress, emotional depression caused. 4, affected by the environment, weather, temperature and other environmental factors should be adjusted in a timely manner. 5, organic diseases of the gastrointestinal tract caused by slowing down the digestive function caused by the appearance of upper abdominal discomfort, pain, flatulence and other symptoms, such as gastric ulcer, chronic gastritis and other diseases need to be closely observed, can Further medical examination to clarify the cause and direction of treatment.