Li, Ching-Yuen or Li,Ching-Yun was a Chinese herbalist, martial artist and tactical advisor. And later wrote the report and got published.

In 1749 when he was already 71 years old, he moved to Kai Xian to join the Chinese Army to be a teacher of the martial arts and a tactical advisor. General Yang Sen after Li's death investigated the truth about his age. The story goes that Li Ching-Yuen was supposedly born in 1677 in Qi Jiang Xian, Szechun province.

Secrets Of Li, Ching Yuen Here's a little story. He spent most of his life in the mountain ranges gathering herbs and knowledge of longevity methods. His lifespan of 199 or 256 years far exceed the longest confirmed lifespan of 122 years and 164 days. His famous portrait was taken there. Witnesses intervie from his home province remembered already seeing Li when they were children and others reported. 1928, returning home home he died of natural causes. There the general was fascinated at his youthfulness, strength and prowess despite his advancing age.

In 1927, he was invited by General Yang Sen in Tucky Xien, Szechuan.

It is claimed that he was born in 1734 while disputed records say he was born on 1677.