Eat vegetables no obvious defecation effect and role, but life in the common leek, spinach, celery and lettuce can play a supporting role. 1. leek: contains more dietary fiber, and lower calories, and leeks contain volatile essential oils and sulfides, etc., to a certain extent, you can play the effect of liver and qi, eating is not only conducive to defecation, but also beneficial to the liver and stomach, but there is no drug therapy. 2. spinach: it contains high iron, but also rich in plant fiber, appropriate consumption can play a certain role in blood, for defecation is also helpful. 3. celery: also contains high dietary fiber, so it is also a kind of vegetables to help defecation. 4. Lettuce: which is rich in vitamin C, cellulose and mannitol and other substances, and cellulose is a kind of water-soluble cellulose, so it is conducive to defecation. Vegetables can not replace drugs, so it can not play a therapeutic role, if the patient has serious constipation, need to go to the hospital to receive professional treatment.