The surface of the stool is not always cracked, this is related to irrational diet structure, low water intake, low exercise, etc. Generally, no medication is needed, and it is recommended to improve the lifestyle. If the stool is sausage-shaped, the surface has cracks, this kind of basic close to normal, more ideal stool is banana-shaped, smooth surface. In this regard, changes can be made in three ways. Avoid spicy, greasy diet, light, balanced nutrition, eat a sufficient amount of vegetables and a small amount of fruit; drink a lot of water, a small amount of time; increase the amount of exercise to promote gastrointestinal motility. If the dryness of stools is obvious, laxative medicines can be used, such as Keselen, polyethylene glycol, lactulose, and so on. Drugs should be used under the guidance of a doctor.