Red stool can be caused by the following reasons: First, it may be due to the patient’s recent consumption of some red-colored food, resulting in red stool, such as when eating a large amount of watermelon or red dragon fruit. Second, it may be due to bleeding in the patient’s small intestine, resulting in red stools, which is due to the blood in the small intestine can not be completely digested, mixed in the stool with the stool, resulting in red stools. Thirdly, it may be caused by hemorrhoids, which can manifest as dripping blood after the stool. Fourth, when consuming indigestible food or meat, it is also easy to have very red stools. The above reasons can cause the stool color is red, patients want to clarify the specific cause, you can go to the hospital to do a related examination to further confirm the condition.