The urine routine examination precautions are more, mainly the following: 1, try to choose the first urine in the morning, the night urine will be concentrated, conducive to the diagnostic examination of some diseases, can improve the positive rate of the examination. 2, female patients, try to avoid menstrual period examination, so as to avoid blood mixed into the urine, can reduce the false positive situation, improve the diagnosis rate of disease. 3, each laboratory test, it is best to take the middle urine test, each time not less than 10ml, so as to reduce urine contamination, and facilitate the diagnosis of the disease examination. 4, the best way to collect urine is to use the hospital to improve the disposable urine cup or collector, try not to choose their own vessels at random, this can reduce the urine pollution. 5, after obtaining urine, try to immediately send the test, do not leave the urine to rest, urine after resting, the composition of urine will change, such as urine bile original test, will change, resulting in abnormal final results, affecting the effectiveness of the test. 6, a few days before the urine test, it is best to eat a light diet, avoid the stimulation of tobacco and alcohol, avoid spicy food stimulation, avoid taking drugs, which can also improve the diagnosis rate of the disease. In addition, the urine routine is best to repeatedly check several times, while combined with other examination items, comprehensive analysis, so as to confirm the diagnosis, clear final diagnosis.