A urinary tract infection is an inflammatory manifestation of the urethra that occurs when the urethra is infected by invading pathogenic bacteria. When germs invade the urethra and multiply, they induce an inflammatory reaction in the urethra, which can lead to a series of urethral inflammatory manifestations, such as urinary urgency, frequent urination, painful urination, and if the mucous membrane of the urethra is severely damaged, blood in the urine may also appear, and some patients may also have purulent discharge from the urethral orifice. Urinary tract infection can be caused by a variety of pathogens, the more common is bacterial infection, such as gram-negative bacillus infection, this situation can generally choose cephalosporin antibiotics or quinolone antibiotics for standardized anti-infection; can also be caused by mycoplasma or ureaplasma infection, this situation needs to choose azithromycin for anti-infection treatment; some patients may be due to decreased resistance and fungal Some patients may have fungal infections due to a decrease in resistance, which require standardized antifungal treatment, usually fluconazole or voriconazole. In addition to standard anti-infection treatment, you should also pay attention to good habits, pay attention to drink more water, urinate more, avoid sitting and holding urine, you are to pay attention to strengthen nutrition, eat more protein and vitamin-rich food. Urinary tract infection is a very common urinary tract disease, once the symptoms to timely intervention and treatment to avoid aggravation or recurrence of the disease.