Urinary tract infection, referred to as urinary tract infection, is an inflammation of the urinary tract caused by pathogens invading the mucosa or tissue of the urinary tract. According to the site of infection, urinary tract infections can be divided into upper urinary tract infections, which are pyelonephritis, and lower urinary tract infections, which are mainly cystitis. According to the presence or absence of underlying diseases, urinary tract infections can also be divided into complicated urinary tract infections and uncomplicated urinary tract infections. Susceptibility factors: 1. Difficulty in urination can easily cause urinary tract infections, such as prostate enlargement in men, bladder outlet obstruction in women, and urethral stricture. These infections are recurrent and repetitive in nature, and should be examined and treated with the hospital as soon as possible. 2, is due to unhygienic habits resulting in vulva infection and resulting in urethral infection, often wash the pubic area with warm water to maintain a suitable hygienic environment. 3, due to their own diseases and complications caused by urinary tract infections, such as diabetes patients, unhygienic sexual intercourse are prone to this disease, such patients should usually pay more attention to hygiene, drink more water, to ensure the daily intake of sleep water. The reasons why women are prone to urinary tract infections can be broadly divided into several points: 1, the female urethra is relatively short, the anus is close to the urethral orifice, prone to infection. 2, male partners are circumcised, unclean sex life 3, through the reflux of urine, bacteria retrograde in the urinary tract and combined with the corresponding receptors of the epithelial cells of the urinary tract, local reproduction, resulting in inflammation. 4, pelvic organ prolapse or anti-incontinence surgery related to urinary tract obstruction, lower urinary tract diverticulum or stones also tend to cause infection. Disease prevention 1, drink more water, the best daily intake of 2000ml or more, every 2 to 3 hours to urinate. 2.Patients who have difficulty in urination try to find out the cause of the difficulty in urination and treat it in time. 3.Patients with sex-related problems, wash the perineum before and after sexual intercourse and pay attention to hygiene. 4, Try to avoid the use of urinary tract instruments.