After eating dragon fruit pull like blood more reasons, there may be related to dragon fruit, may not be caused by dragon fruit, but the digestive tract primary disease or systemic diseases involving the digestive tract occurs due to gastrointestinal bleeding. 1. caused by dragon fruit: these patients are usually due to the consumption of red dragon fruit, this dragon fruit contains a lot of natural red pigment, these pigments can not be digested and absorbed by the human body, it will be discharged with the stool, resulting in the appearance of the stool like blood. 2. Primary intestinal diseases: such as benign or malignant intestinal tumors, polyps, parasites, infections, vascular lesions, structural abnormalities or malformations of the intestinal wall, anal lesions and other reasons, may cause lower gastrointestinal tract bleeding, eating dragon fruit happens to meet with the lower gastrointestinal tract bleeding, which may result in blood in the stool. 3. Systemic diseases involving the intestines: if the patient in the abdominal cavity adjacent parts of the presence of tumors, once the tumor metastasis to the intestinal tract, and after eating dragon fruit happens to occur after the breakage, may also have blood in the stool. When encountering this situation, we should go to the regular hospital for examination in time, and if it is caused by the disease, we need to actively cooperate with the doctor for treatment.