Urine test is mainly through the collection of urine, analysis of urine volume, observation of urine appearance, as well as the smell of urine and urine biochemical examination methods, the results of the test will be fed back to the clinic to assist in diagnosis and treatment. 1, through the detection of urine volume: (1) endocrine diseases, such as diabetes mellitus can cause osmotic diuresis, the patient appears polyuria. (2) Kidney diseases, chronic pyelonephritis, and early renal failure can cause polyuria. (3) Heart failure and shock can cause oliguria. Urinary tract obstruction causes post-renal oliguria. 2.Check by the appearance of urine: (1) Hematuria is like flesh-washing water with a light red cloudy appearance. It is seen in urinary tract tumor and stone. (2) Hemoglobin in urine can appear thick tea color, or soy sauce color. It is seen in intravascular hemolysis and transfusion reaction. (3) Bilirubin urine is showing soybean oil-like changes, seen in jaundice. 3, for the detection of urine protein, proteinuria suggests mainly impaired renal filtration function, such as diabetes mellitus, systemic lupus erythematosus, pyelonephritis, interstitial nephritis, etc.. Urinalysis is a routine examination in the clinic, currently mainly using the urine sedimentation method and urine dry chemical method. The results of urinalysis are a good guide for urological diseases and endocrine diseases.