UTI is a relatively common clinical infection of the urinary tract and can be divided into common bacterial infections and specific bacterial infections depending on the cause. The most common common bacterial infection is Escherichia coli infection, and the diagnosis requires routine urine and urine culture, which can be done for about $100. The most common specific bacterial infection is gonococcal infection, which is a sexually transmitted disease, mostly occurs in patients with unclean sex or multiple sexual partners, mainly manifested by frequent urination, urinary urgency, redness and pain in the urethra with yellowish white discharge, requiring routine urine and smear test of secretions generally in about 30 yuan, requiring cephalosporin anti-inflammatory drug treatment, pay attention to rest and avoid sexual intercourse.