This friend, the old man is old, which is caused by the decline of various abilities. When he is old, his balance ability will become worse. I suggest doing some fitness exercises like Tai Ji Chuan to exercise his body and balance. In addition, if you faint, you should pay attention to the cause of sudden fainting 1, brain tumor (cerebral hemorrhage, stroke, etc. ); 2. Low blood pressure; Hypertension; 3, hypoglycemia; Transient cerebral ischemia, hypoglycemia, hypotension and hypertension can all cause syncope. The specific reason should be to take the elderly to the hospital to check the cause.