Urine routine is a basic urological test that reflects the basic metabolic state of the body’s fluids. What diseases can urine actually check? First of all, it can determine whether there is an infection of the urinary system. When a pathogenic bacterial infection occurs, the number of leukocytes and the number of bacteria in the urine will be elevated, and the patient will have symptoms of the urinary system, such as frequent urination, urinary urgency, and painful urination. This is what makes it possible to diagnose a urinary tract infection. Secondly, it can find out whether there is a bleeding disorder of the urinary system, various causes of bleeding in the urinary system, the number of red blood cells in the urine will be elevated, and when the bleeding is severe, there will also be bright red flesh-eye hematuria. Common diseases such as kidney stones, ureteral stones, acute hemorrhagic cystitis, bladder tumors and other diseases. Again, it can find out if there is any jaundice, diabetes, acidosis, alkalosis, etc. When a disease or metabolic abnormality occurs, changes such as elevated bilirubin in the urine, elevated sugar levels, and abnormal urine pH can occur. Of course, ultimately, a doctor with specialized knowledge is needed to make a comprehensive judgment. When abnormal urinary symptoms occur, seek medical examination in time to avoid further aggravation of the underlying disease.