Coral-like stools may be due to pathological factors such as gastroenteritis, may also be due to physiological factors, such as mental stress, eating too much stimulating food, etc., the specific causes should be timely medical diagnosis. 1. Gastroenteritis: when patients have gastroenteritis, there will be intestinal mucosal edema, resulting in malabsorption of nutrients, the water in the feces can not be fully absorbed, and coral-like stools are discharged. 2. Physiological factors: gastrointestinal tract dysfunction due to mental stress, depression, etc., gastrointestinal tract digestion decreased, too little water absorption, too much discharge, resulting in coral-like stools. Coral-like stools should be timely medical treatment, clear diagnosis, standardized treatment under the guidance of the doctor, to avoid deterioration of the condition.