It is not normal to have pellet-shaped stools every day. For dry and hard pellet-shaped stools, it is considered that they are caused by constipation, and the normal stools are formed soft stools, which can also be called striped stools, and the color of the stools is yellow or brown or dark brown. If there is black stool or bloody stool, it may be considered as gastrointestinal bleeding. If the stool is granular or dry and hard, it is considered to be caused by gastrointestinal disorders, functional constipation, or diseases of the gastrointestinal tract itself. For dry and hard stools, it is most common in elderly patients, especially those who are bedridden for a long time. If the patient has persistent constipation, it is recommended to consult a doctor and use appropriate medication for laxative treatment under the guidance of a specialist.