There are many causes of urinary shutdown, including serious heart and kidney disease, shock patients, bad habits, and other causes of urinary shutdown. The causes of enuresis are as follows: 1. Bad living and hygiene habits are the most common causes of enuresis. 2, circumcised people, those who do not pay attention to the protection of lower body hygiene, those who have unclean sexual behavior. 3, cross-infection that occurs during conjugal life. 4.The delayed treatment or neglect in the early stage of urinary closure, including the neglect caused by the inconspicuousness of the symptoms, the neglect caused by the misunderstanding, the neglect caused by the misunderstanding of the test. 5, urinary obstruction (mechanical obstruction and neurological functional obstruction) and reflux make poor drainage of urine and retention in the urinary tract. 6, neurogenic bladder, congenital anatomical defects, giant ureter, ureteral bladder reflux, etc. can all prevent urine drainage and produce urinary closure. 7, no strict medication, improper treatment, damage to the mucosa due to mechanical operation team, no strict disinfection, resulting in the introduction of bacteria into the urinary tract, causing urinary retention.