It is difficult to detect the presence of renal tuberculosis by blood test alone. Renal tuberculosis belongs to a type of extrapulmonary tuberculosis, and it is difficult to judge that it is caused by renal tuberculosis by ordinary blood test. Renal tuberculosis needs to be judged according to the patient’s clinical symptoms, urinary tuberculosis examination, imaging examination of the urinary system, and renal pathological tissues and so on. Patients with renal tuberculosis will have symptoms of urinary tract irritation as well as percussion pain in the renal region, and the urine routine and urine culture will show abnormal indicators, especially the inflammation indicators are higher, and the urine may also be cultured with Mycobacterium tuberculosis. If the symptoms of tuberculosis, at the same time, accompanied by urinary tract lesions, you need to be highly suspicious of renal tuberculosis, especially patients who have had tuberculosis, once the diagnosis is confirmed at this time you need to actively anti-tuberculosis treatment.