Eat dragon fruit poop red, if it is red dragon fruit and for a transient, it is normal; if it is white dragon fruit or stop eating dragon fruit still lasts for a long time does not recover, it is abnormal, need to actively diagnosis and treatment. Dragon fruit is a tropical fruit, rich in anthocyanins and other substances. Anthocyanin as a natural dye, easily soluble in polar solvents water, ethanol, red, blue, purple and other colors. The red dragon fruit is rich in red anthocyanins, if not fully absorbed and decomposed by the body, it will color the urine and stool red. But if it is white heart dragon fruit will not have this phenomenon. When stop eating red dragon fruit, stool can gradually return to normal color. If the red color remains unchanged for a period of time, you should immediately go to the local hospital for treatment to identify the cause of the disease.