Non-bacterial urinary tract infection means that the urinary tract infection is not caused by bacteria, but by pathogens such as mycoplasma, chlamydia and viruses. 1. Mycoplasma urogenitalis: Mycoplasma is a microorganism between bacteria and viruses, when inflammation occurs in the genitourinary tract, the mucosal surface is damaged, stimulating host cell phagocytosis to enhance, prompting mycoplasma to enter the host cell. 2. chlamydia urinary tract infection: chlamydia urinary tract infection is caused by chlamydia infection of a contagious inflammation of the urethra, mainly through sexual contact. 3. viral urinary tract infection: viral urinary tract infection is due to the abnormal reproduction of various viruses in the urinary system, resulting in the emergence of acute and chronic inflammation of the urinary tract, and caused by urinary tract infection. It may also be caused by other pathogens, the emergence of non-bacterial urinary tract infection suggests that patients go to the hospital in a timely manner, clear the cause of treatment.