Because feces is mainly composed of food digestion, so through dietary regulation to prevent constipation is a simple and easy way. First of all, we should pay attention to the amount of diet, only enough to stimulate intestinal peristalsis, so that the normal passage of feces and excretion. In particular, breakfast should be full. Sufficient amount of water, so that the intestines get enough water can facilitate the passage of intestinal contents. In addition, you can intentionally soak more natural herbal tea detoxification and food containing fatty foods, such as walnuts, peanuts, sesame, canola oil, peanut oil, etc., they have a good laxative effect. Elderly people to prevent constipation to pay attention to the following points: 1, the diet must have the right amount of fiber; 2, every day to eat a certain amount of vegetables and fruits. Eat an apple in the morning and evening on an empty stomach or 1-3 bananas before each meal; 3, the staple food should not be too fine, to eat appropriate coarse grains; 4, drink a glass of light salt water or honey water in the morning on an empty stomach, with abdominal massage or turn the waist, so that the water in the gastrointestinal vibration to strengthen the laxative effect. Throughout the day should drink more cool water to help laxative; 5, appropriate physical activity, strengthen physical exercise. For example: supine, leg bending, squatting, standing, cycling, etc. can strengthen the abdominal movement to promote gastrointestinal peristalsis to help promote bowel movements; 6, massage the abdomen every night before bed to develop the habit of regular bowel movements; 7, keep a relaxed mood life should be regular.