2, bananas, bananas contain a variety of trace elements, such as potassium, iron, zinc, etc., these substances help accelerate the speed of blood circulation and metabolism in the digestive tract tissue, promote the gastrointestinal cavity metabolic substances into the excretory system to prevent constipation symptoms; 3, kiwi, kiwi is a relatively high vitamin C content of the fruit, vitamin C as a purely natural antioxidant, not only can enhance the digestive enzyme activity in the stomach. Promote the decomposition and absorption of fats and cholesterol in the body, avoiding the retention of fats in the intestinal tissues and playing a positive role in the prevention and treatment of digestive tract diseases.