The causes of syncope in the elderly include: 1, cerebral ischemic attacks caused by diseases of cerebral origin leading to syncope in the elderly, including cerebrovascular stenosis, cerebrovascular spasm, etc.; 2, cardiac diseases causing arrhythmia leading to syncope in the elderly, including arrhythmia, coronary artery disease, myocarditis, valvular disease, etc.; 3, syncope caused by postural hypotension, as the elderly often take antihypertensive drugs or suffer from systemic or degenerative diseases causing poor vascular elasticity, which in turn leads to postural hypotension; 4, other causes, including hypoglycemia, etc.