A grain of stool is very hard, consider constipation, generally due to gastric insufficiency, intestinal obstruction, according to the cause of treatment. Common causes and treatment methods 1, gastric power deficiency: mental and emotional changes, gastric secretion dysfunction, improper diet and other factors can lead to gastric power disorders, which can be manifested as epigastric distension, dry stools and not easy to discharge and other indigestion symptoms. Pay attention to diet and life conditioning, avoid long-term intake of greasy, rough, stimulating food, prevent overeating, quit smoking, quit drinking, eat more laxative food, such as bananas, honey water, yogurt, sweet potatoes, etc., develop good bowel habits, regular life and living, work and rest, appropriate exercise, and maintain a relaxed mood. Can also be applied under the guidance of the doctor domperidone, mosapride and other drugs to promote intestinal peristalsis, so as to relieve the symptoms; 2, intestinal obstruction: due to intestinal or extraintestinal mechanical intestinal obstruction, so that the intestinal contents accumulate in the anal outlet resulting in constipation, in addition, intestinal cavity occupying lesions can also lead to intestinal cavity narrowing, stool trait changes, etc.. It is necessary to identify the cause as soon as possible, except for organic lesions, and those with severe obstruction should be treated by surgery as soon as possible. In general, constipation can be relieved by adjusting the diet and living habits due to lack of exercise or other causes of slow bowel movement, and can be treated with laxative drugs under the guidance of a doctor when the symptoms are severe. In addition, organic diseases of the intestinal tract can also cause constipation, so you should go to the hospital in time to carry out relevant examinations and treat the cause.