In the routine urine examination, if there is a (+) white blood cell, it means that the patient has a urinary tract infection. If the patient is female, the infection is mainly caused by Gram-negative bacteria, and it is recommended to choose quinolone antibiotics as the first choice of treatment, or phosphomycin or third-generation cephalosporin treatment, and also auxiliary Chinese medicine together with the treatment, such as hot gonorrhea Qing granules. In male patients, it is necessary to rule out the possibility of elevated leukocytes in the urine due to sexually transmitted diseases, such as gonorrhea and non-gonococcal urethritis. In men, if the urine is leukocytic (+), it is recommended that a portion of the urethral secretion be taken for pathogen testing. In case of gonorrheal UTIs, sedative ceftriaxone sodium treatment is recommended. Non-gonococcal urethritis is usually dominated by mycoplasma infection, and it is recommended to treat it with tetracycline antibiotics, such as doxycycline, which is usually taken no shorter than half a month.