Normal stools are usually yellow, sticky and moist, slightly foul-smelling long objects. 1. Stool color: Normal stool is usually yellow or light yellow, but also related to the food eaten. For example, if you eat more green vegetables, the color of stool may be dark green, and the color of stool may be red after eating dragon fruit. 2. Stool sticky and moist: normal stools have a certain degree of sticky and moist, if the stool is too dry commonly found in constipation, poor bowel movement function of the population. If the stool is too thin, it may be caused by acute or chronic enteritis. 3. Stool shape: If the stool is naturally long, this is called normal in shape. In daily life, you should try to observe whether your stool belongs to the above type, especially the abnormal color or the presence of pus and blood. When the patient’s stool appears black or accompanied by pus and blood, etc., he/she should go to the hospital for examination and treatment promptly.