Urinalysis, i.e. routine urine examination, the phenomenon of red blood cells 2000/μL is serious or not according to the patient’s condition, if it is caused by diseases such as ureteral stones, it is generally not serious. If it is caused by diseases such as ureteral stones, it is generally not serious. It may also be caused by diseases such as kidney cancer, which is generally more serious. When patients undergo routine urinalysis, when the results of 2000/μL red blood cells appear, whether it is serious or not should be based on the patient’s condition. It may be caused by urinary tract stones, such as ureteral stones, kidney stones and other diseases, this situation is generally not serious, by extracorporeal shock wave lithotripsy, percutaneous nephrolithotripsy and other treatments, generally can be returned to normal. In addition, when patients undergo routine urine examination, the phenomenon of 2000/uL red blood cells may also be caused by tumors in the urinary tract, such as renal cancer, ureteral cancer, bladder cancer and other diseases, which is generally more serious, and certain diseases can not be cured even though they are treated by surgery, seriously affecting patients’ life expectancy. When the patient’s urine routine examination result has the performance of 2000/μL, whether it is serious or not cannot be generalized. Patients should seek medical treatment in a timely manner at a regular hospital to identify the cause of the disease and follow the doctor’s instructions.