Li Ching Yuen was quite the extraordinary man. As a Chinese herbalist, he lived 256 years or 197 by his own account. Either way this is far more than is recognized as the maximum human life span.
(The longest confirmed lifespan comes from Shirali Muslimov with the French woman Jeanne Calment, at 122. Another front runner, with similar debate about his, is Shirali Muslimov at an alleged 168 years old.