The color of urine is a little red, it is recommended to go to the hospital for relevant examinations to clarify: 1, due to drug staining or food staining, such as taking rifampin capsules, aminopyrine tablets or eating food containing red color may cause the color of urine to be red. 2, there is an acute infection in the urinary tract or trauma to the urinary tract can cause a little bleeding, it will be manifested as a little red urine, usually accompanied by frequent urination, urinary urgency or The tumor may break down and bleed, which can lead to red urine, and there may not be any pain in the early stage, but local pain may appear in the later stage. 4. Stones in the urinary tract, including kidney, ureter or bladder stones, can lead to mucosal break down and bleeding, which is usually accompanied by pain in the lower back and abdomen, etc. Ultrasound examination is needed to clarify. 5. If you are a woman, you also need to consider whether there is gynecological bleeding during the physiological period, and the urine is mixed with the urine to cause the phenomenon of red color.