Voiding syncope is a disease, which belongs to reflex syncope. At present, there is no special treatment, mainly through the improvement of lifestyle to prevent and control. Urinary syncope is mainly manifested as a brief loss of consciousness and fainting at night or early in the morning when getting up to urinate or finish urinating. When fainting, patients are prone to fall and get injured. This is a disease that belongs to reflex syncope. The pathogenesis may be related to high vagal tone at night, slow heart rate, decreased abdominal pressure after urination, and decreased venous return. If there is a breath-holding action during urination, it will increase the pressure of the large blood vessels in the thoracic cavity, resulting in a decrease in cerebral blood flow; holding too much urine will also increase intra-abdominal pressure and compress the inferior vena cava, and then if there is a sudden large amount of urination, resulting in a decrease in the return of cardiac blood flow and a decrease in blood pressure, it will induce syncope. Frequent urinary syncope patients, it is recommended to drink less water before going to bed, do not hold urine, get up slowly, usually also strengthen the exercise, maintain adequate sleep, improve physical condition. Patients are advised to seek medical treatment as soon as possible.