Positive results of transferrin test may be caused by food, medication, etc., and may also indicate the possibility of bleeding in the digestive tract. The main role of transferrin is to transport iron, but if you have gastrointestinal bleeding, the blood will pass through the intestinal tract, and will also be discharged with the feces, then the patient’s fecal routine examination can be found to transferrin is positive, the common cause of gastrointestinal bleeding tumor, bleeding colon polyps, etc., the patient can be used to enteroscopy or gastroscopy to further confirm the diagnosis. Positive transferrin can also be caused by eating animal blood, such as pig’s blood, duck’s blood, goat’s blood and other foods, or taking medication to treat iron deficiency, which can also show this test result. When the transferrin is positive, the patient should not be too panic, you can go to the hospital in time to find out the cause of their own treatment, do not arbitrarily delay the condition, so as not to delay the progress of treatment. You should also actively cooperate with the doctor during treatment so that your body can recover better.