Dragon fruit contains more water and fruit acids, can promote intestinal peristalsis, and dragon fruit contains more fiber content, can also play the effect of laxative. Chinese medicine theory, dragon fruit is a relatively cold fruit, can also make the stool, but eat more dragon fruit is also easy to cause the stool is more dilute, too cold to cause diarrhea. If you eat red dragon fruit, red dragon fruit inside the red food coloring, this natural food coloring is not absorbed by the gastrointestinal tract, so this pigment will be excreted with the stool. Therefore, eating red dragon fruit, the stool is red is normal, do not worry. However, if the stool is too thin, it depends on whether it is eating too much red dragon fruit or enteritis, to stop eating dragon fruit after observing whether the stool can be normal, if the stool is still thin, we should consider whether to use medicine to treat.