Healthy people generally do urine routine once a year; patients with urinary tract infections need to follow the doctor’s instructions, generally 1 to 2 weeks for examination, after the stabilization of the condition of the examination interval can be increased to the second week and the sixth week after stopping medication review; nephritis patients need to comply with the doctor’s instructions for regular review of urine routine, such as once a month or once a few months to do. 1. Healthy people checkup: Healthy people checkup is usually once a year. 2. Urinary tract infection: patients need to follow the doctor’s instructions to review the urine routine, generally every 1 to 2 weeks for a checkup, because the urinary tract infection after 1 to 2 weeks after the condition will improve, need to be combined with the urine routine review to understand the situation. After the disease is stabilized, the examination interval can be increased to the second week and the sixth week of drug withdrawal. 3. Glomerulonephritis: especially for patients with proteinuria, weekly checkups are needed in the early stages, and after the condition is stabilized, the checkups can be done once a month or even once every few months to understand the effect of the treatment, and adjust the medication plan according to the results. The time interval of urine routine needs to be judged according to different situations, and it is recommended that patients follow the doctor’s instructions to regularly review the urine routine to avoid delaying the condition.