Kidney test items mainly include three kinds: the first is urine routine, mainly to exclude nephritis and urinary tract infection; the second is renal function, to clarify whether there is renal failure; the third is urinary ultrasound, mainly to exclude whether there are tumors in the urinary tract, fluid retention, prostatic hyperplasia and so on. If you want to know whether there is any disease in the urinary system, you can mainly perform three kinds of tests. Urine routine is mainly to observe whether there is urine protein, red blood cells, white blood cells, clear whether there is urinary tract infection, nephritis and other diseases. Kidney function observation is creatinine and urea, if creatinine and urea rise, suggesting renal failure, if creatinine and urea in the normal range, no renal failure. Ultrasound of the urinary tract is mainly to observe whether there are occupying lesions, such as whether there are tumors and stones in the urinary tract, whether there is hyperplasia of the prostate gland and whether there is hydronephrosis and so on.