Dry, coarse and hard stools may be caused by physiological factors such as insufficient water intake and pathological factors such as functional gastrointestinal diseases. It can be alleviated and treated by dietary adjustments such as drinking more water and taking medications such as lactulose. 1. Physiological factors: Eat more fresh fruits, vegetables and coarse grains, such as dragon fruit, bananas, kiwi, sweet potatoes, bok choy, leeks, etc., which are rich in vitamins, dietary fiber and water, which can help to promote gastrointestinal peristalsis and increase the water in the stools, thus facilitating defecation. Daily life should also be timely hydration, pay attention to water intake, so as to relieve the dry stool. 2. Pathological factors: Lactulose, polyethylene glycol and other laxatives; bifidobacteria, bacillus subtilis, lactobacillus and other intestinal microecological agents, to regulate the balance of intestinal flora, thus alleviating the symptoms of dry, hard and hard stools and loss of appetite. It should be noted that all of the above drugs should be taken under the guidance of a doctor and should not be used without authorization.