1, routine urinalysis: the urine color of patients with acute urinary tract infection can be cloudy, with a corrupt odor. Urine protein is trace ± ~ +. The erythrocytes in the urine sediment are slightly increased, 2~10/high magnification field of view. Hematuria is evident in only a small percentage of patients, less than 5% of patients are seen to have microscopic hematuria, and leukocytes are often significantly increased. This is a common male urinary tract infection examination method. 2, urine sediment microscopic leukocytes: pus urine is a significant increase in the urine sediment leukocytes. Pus urine has significant significance in the examination of male urinary tract infection. Doctors often rely on clinical manifestations and pus urine test for diagnosis.3, blood routine examination: acute pyelonephritis patients, blood leukocytes can be mild or moderate increase, neutrophils increase and may have nuclear left phenomenon. Blood sedimentation can be accelerated. Chronic pyelonephritis can have mild anemia.4, urine chemistry test: chemical test is simple and easy to carry out, in the process of auxiliary diagnostic testing for urinary tract infection, although the positive rate is low, but very few false positives. Generally used for large-scale screening. Due to more false negatives, so the value is limited, and can not replace the quantitative culture of urine bacteria. Urine chemical test methods are: ① Triphenyltetrazolium chloride test (TTC test). ② Nitrite test. This is also a common test for male urinary tract infections.