Constipation in most cases can eat corn in moderation. Constipation can be seen in functional constipation; also can be seen in intestinal obstruction, hemorrhoids, anal fissure and other anal canal diseases, hypothyroidism and other diseases; also can be seen in morphine, anticholinergic drugs and so on. If it is intestinal obstruction, it is not suitable to eat corn, other reasons can eat corn in moderation. For intestinal obstruction, water should be prohibited, because the consumption of food and water will lead to increased intestinal pressure, aggravate intestinal edema, aggravate nausea, vomiting, abdominal distension, constipation, so if constipation is caused by intestinal obstruction is not suitable to eat corn. If other causes of constipation, you can eat corn corn belongs to coarse grains, rich in fiber, stimulate the gastrointestinal tract to promote gastrointestinal peristalsis, the digestion and absorption of food is good, can promote intestinal metabolic waste discharge, to relieve constipation is good. Constipation patients should go to the hospital, under the guidance of the doctor.