Routine examination methods for pyelonephritis include urine examination, blood examination, imaging examination and so on. It is recommended to go to regular hospitals and conduct relevant examinations under the guidance of doctors. 1. Urine examination: urine routine, urine cytology examination, bacteriology examination, etc. Routine examination of urine has leukocyturia, hematuria, proteinuria. Bacteriologic examination can initially determine which kind of pathogenic bacteria, which is an important reference value for timely selection of antibiotics. These examinations have clinical significance in diagnosing urinary tract infections and diagnosing pyelonephritis. 2. Blood test: blood routine in acute pyelonephritis, blood leukocyte count is often increased, neutrophilia, nuclear left shift, sedimentation rate can be increased; chronic pyelonephritis renal function is impaired renal function test can appear glomerular filtration rate decreased, blood creatinine increased, and so on. 3. Imaging tests: imaging tests such as ultrasound, X-ray abdominal plain film, CT, retrograde pyelogram, etc., aim at understanding the situation of the urinary tract, and discovering in time whether there are urinary stones, obstruction, reflux, malformation and other factors leading to recurrent urinary tract infections. Intravenous pyelogram should not be done in the acute stage of urinary tract infection, and ultrasound can be done. Suffering from pyelonephritis can cause discomfort such as urinary urgency and urinary pain. It is recommended that patients who have these symptoms for a long time should seek medical treatment in time to avoid aggravating the condition.