Children to urinalysis, parents for the first time to do this technical work, always afraid to pick up the wrong, often ask the question of staying urine. It is summarized as follows: 1, urine routine, urine NAG enzyme, urine erythrocyte morphology, urinalysis kidney damage complete set, urinalysis tubular function, urinalysis glomerular function: leave the first morning clean mid-range urine 10 ml. 2, urinary exempt specimen: leave the morning clean mid-range urine for the first cup of the specimen 10 ml, and then drinking water 300-500 ml, to be after urine, and then leave the mid-range urine for the second cup of 10 ml, two cups at the same time. The two cups will be sent for examination at the same time. 3, 24-hour urine test four: 7:00 a.m. on the day of the morning urine discarded, from the second urine retained until 7:00 a.m. the next day morning urine, record the amount of urine in the test sheet, mixing and then retained 10 ml to send to the test. Note that after the retention of urine that need to be added to the preservative (that is, the beginning of the retention of urine on the addition of preservatives, the reason for adding preservatives is to prevent the protein in the urine bad). 4, upright test urine specimen: empty the bladder before going to bed, morning inactivity, urination in front of the bed, retained 10ml of mid-range urine, for the upright before the urine. Then let the patient’s heel away from the wall 20cm, chest concave waist standing for 20 minutes, free activities, and so have the urge to urinate and then leave the mid-range urine 10ml, for the upright urine, both urine specimens need to be sent for examination. 5, urine bacterial culture specimen: first of all, receive urine culture specimen bottle, morning directly retained clean mid-range urine to the test tube, the amount of about 3 to 5 ml, pay attention to absolute cleanliness, do not contaminate the bottle mouth, do not tilt. Warm reminder: If female patients are menstruating, please do not leave the specimen for the time being, as it may lead to inaccurate results. The above specimens will be received in the Pediatrics Laboratory all day Monday through Friday and Saturday morning, except for holidays.