Panic and fainting while urinating is known as urinary syncope, which is caused by temporary insufficient blood supply to the brain. If the condition is serious, drugs such as dopamine and atropine are needed to maintain life, and cardiopulmonary resuscitation (CPR) is performed if necessary. The specific use of drugs need to follow the doctor’s instructions. Urinary syncope is also called “urinary syncope”, most of the patients with this kind of disease in the morning, night urination can appear transient loss of consciousness, the mechanism of its occurrence include autonomic instability, sudden change of body position (get up in the night), urinary breath-holding action or through the vagal reflexes to the cardiac output reduction, large amount of urine after the bladder is suddenly emptied. resulting in a drop in blood pressure, cerebral ischemia, and so on. Fainting should be immediately lying down, double lower limb elevation, frequent attacks of patients should take a sitting position to urinate, avoid holding urine. Need to immediately seek medical attention, take cardiac monitoring to observe the patient’s vital signs, if the blood pressure is too low need to use dopamine and other drugs to raise the pressure, heart rate can be lowered by using atropine to raise the heart rate, if there is temporary fainting can not breathe on their own when you need to immediately carry out cardiopulmonary resuscitation. It is recommended to have a nutritious diet to avoid low blood pressure. If trauma occurs due to dizziness, the patient should consult a doctor in time to check the cranial CT or MRI, etc., and use medicine or surgery according to the situation of craniocerebral injury.