Patients with kidney disease often need to perfect the 24-hour urine protein quantitative examination, how should the 24-hour urine be retained? The method is as follows: 1. At 7:00 a.m. on the first day, no matter whether the patient has the desire to urinate or not, he should urinate for the first time on that day, and the urine that he urinated on that day should be discharged without being retained. From then on, all the urine of the day should be retained in a small bucket, the small bucket placed in the antiseptic, until the next morning at 7:00, to solve the last time the urine to the small bucket, so that even the completion of the 24-hour urine retention. 2, the 24-hour urine evenly stirred, leave a test tube of urine specimens can be sent to the test, in the test tube should be labeled with a total of how many mL of 24 hours of urine, so that It will be OK.