Patients with chronic constipation are prone to increased abdominal pressure, which can easily cause gastroesophageal reflux disease, producing symptoms such as acid reflux and heartburn. So how to prevent and treat habitual constipation? (1) Excessive straining at least once in 4 bowel movements (2) Feeling of poor emptying at least once in 4 bowel movements (3) Hard or granular stools at least once in 4 bowel movements (4) Feeling of anorectal obstruction or blockage at least once in 4 bowel movements (5) Needing manual assistance at least once in 4 bowel movements (6) Having less than 3 bowel movements per week (6) The number of stools is less than 3 times per week and the daily volume of stool is less than 35 g. (7) There is no loose stool and the diagnostic criteria for IBS are not met. The principles of selecting drugs for constipation treatment should be based on the etiology, type and degree of constipation to select appropriate laxative drugs, on the other hand, the principle of less toxic, side effects and drug dependence should be used, such as bulking agents (e.g. wheat bran, oxytocin, etc.) and osmotic laxatives (e.g. polyethylene glycol 4000, lactulose, sorbitol) are often used. For slow-transmission constipation, prokinetic agents, such as cisapride or mosapride, can also be added. It should be noted that in patients with chronic constipation, long-term application or abuse of stimulant laxatives such as senna, rhubarb, castor oil, aloe vera, and phenolphthalein should be avoided. For patients with fecal impaction, clean enema once or combine with short-term use of stimulant laxatives to release the impaction. After decongestion, bulking agents or osmotic drugs are then used to keep the bowel movement open. Curettage and glycerin suppositories have the effect of softening stool and stimulating defecation. Compounded carrageenan can be effective in the treatment of constipation of hemorrhoidal origin. How to prevent habitual constipation: 1, the diet must have the right amount of fiber. 2, a certain amount of vegetables and fruits should be eaten every day, such as 1-3 bananas 1 hour before meals. 3, the main 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, can strengthen the laxative effect. Throughout the day should drink more cool water to help laxative. 5, to carry out appropriate physical activities, strengthen physical exercise, such as supine leg bending, squatting, cycling, etc. can strengthen the abdominal movement, promote gastrointestinal peristalsis, help promote bowel movements. 6, to develop the habit of regular bowel movements. 7, keep a relaxed mood, life should be regular. Six foods that help improve constipation: 1, cooked bananas 2, walnuts 3, grapefruit, grapefruit 4, sweet potatoes 5, brown rice 6, apples