It is normal to have very thick stools if they are not accompanied by discomfort such as difficulty in defecation. If the stools are very thick and difficult to pass, constipation may be caused by poor lifestyle habits or gastrointestinal diseases. Constipation can be caused by bad habits such as not having regular bowel movements, not drinking enough water, being obese, or eating food that lacks fiber. Due to a few days to perform a stool, stool volume and less water, so the stool is dry and coarse. Generally, the symptoms can be relieved by adjusting lifestyle habits, but if the stool is coarse and hard for a long time, it may cause hemorrhoids, anal fissure and other diseases. Coarse stool may also be caused by functional constipation, gastrointestinal diseases such as colorectal melanosis, or constipation caused by systemic diseases such as diabetes. It is usually accompanied by other corresponding symptoms such as abdominal pain, fatigue and weakness, which are manifestations of the lesion. If you have chronic constipation that cannot be relieved, or if it is accompanied by abdominal pain, fatigue and other discomforts, please go to the hospital in time for diagnosis and consultation.