There are four reasons for patients’ urine to become cola-colored: first, old hematuria, if the organism has recently suffered from trauma to the urinary system, the urine will be mixed with blood during the treatment process, mostly old hematuria, cola-colored, indicating that it belongs to the late stage of disease healing, in the early urine is often bright red; second, when the organism has an acute hemolytic disease, due to the presence of a large amount of hemoglobin in the blood, resulting in urine color change, mostly occurs in the process of blood transfusion blood type incompatibility or hemolytic anemia patients; third, the whole body was subjected to severe trauma, resulting in the kidneys or the whole body multiple extrusion, so that the urine in the myoglobin content increased; fourth, consider the body suffering from sericosis, not only urine cola-colored, but also accompanied by nausea, dizziness, yellow eyes, yellow skin symptoms, is caused by the lack of special enzymes in the body, urine cola-colored to timely Seek medical attention to avoid delaying treatment.