Eat the red dragon fruit, the urine is red, belongs to the normal physiological metabolic phenomenon, do not be nervous. Red dragon fruit is rich in red and purple pigments, when eating red dragon fruit, after digestion, absorption, not only nutrients are absorbed, these pigments will also be absorbed into the body, through the blood circulation, internal metabolism and finally through the kidney excretion, with the urine out of the body, so the urine is red, this is a normal physiological metabolic phenomenon, although the urine is red, but the patient will not have frequent urination, urinary urgency Although the urine is red, the patient will not have a series of uncomfortable symptoms such as frequent urination, urgent urination, painful urination, bifurcation of urination or fever.