Frequent fainting: First, brain lesions, clinically more common is transient cerebral ischemic attack, especially in the posterior circulation of blood vessels, the patient can appear dizziness, fainting, can also be seen in the basilar artery type of migraine, migraine attacks can appear fainting. Second, cardiogenic causes, more commonly arrhythmias, such as sinus bradycardia and premature heart beats, can affect the ejection of blood from the heart, resulting in reduced or interrupted blood supply to the brain, and the patient may also faint. Patients with reflex syncope, mainly due to the regulation of blood pressure and heart rate reflex arc dysfunction, including upright hypotension and syncope after urination, should look for the cause of this condition. Fourth, cervical spondylosis, such as vertebral artery cervical spondylosis, can also cause fainting when the patient turns his head.