The change of stool odor itself is closely related to one’s own diet and habits, and is also related to intestinal flora, such as frequent consumption of greasy, meat-based foods, can have a heavier stool odor, mainly because of the nitrogen in the food, after the intestinal flora decomposition or fermentation of the smell. However, it can also be caused by inflammation of the intestinal tract, such as acute gastroenteritis and infection. In addition, if you eat a light diet, your stool will smell lighter or less foul, so the smell of your stool is a reflection of your diet and intestinal flora. If you have repeated foul-smelling stools, it is recommended to change your diet, eat a light diet, and maintain good bowel habits. However, if the improvement is not good, it is recommended that common tests be performed to rule out intestinal diseases.