The UTI as the name implies is an inflammation of the urethra, what causes urethral inflammation to occur? First, a person is in a state of high tension or mental stress for a long time, affecting the body’s immune system, once the immune system collapses or immunity is low, it is very easy to cause urethritis to occur. The second, long-term water intake is not enough, urine concentration, it is difficult to the urethra of the bacteria out of the body, when the bacteria may go up the infection and cause the occurrence of urethritis. The third, personal habits, do not shower, do not change underwear, resulting in the breeding of bacteria. The fourth, other diseases triggered, such as urinary stones, prostate enlargement is also very easy to cause the occurrence of urethritis. Fifth, patients with long-term indwelling catheters are also the cause of infection. The sixth, frequent sexual activity, the perineum, vulva or around the anus bacteria easily into the urethra caused by the occurrence of urethritis.