Urine routine is a relatively important examination in the entry physical examination, urine routine can reflect whether there is nephritis or diabetes, urine routine examination if there is a failure, you can apply for a re-check urine routine, if the re-check urine routine still fails, it may be disqualified from employment. If there is only urine occult blood, in addition to nephritis, it may be caused by urinary stones or other conditions, which can be further diagnosed by ultrasound of the urinary tract. If the urine glucose is positive in the urine routine, it often indicates the combination of diabetes mellitus, so you can measure the intravenous blood sugar to further clarify the diagnosis.