Li Qingyun (1677- 1933), aged 256, was a scholar of traditional Chinese medicine in the late Qing Dynasty and early Republic of China, and also a world-famous long-lived old man. We often see people saying 120 and 160 on TV, but it's actually nothing. Li Qingyun lived 256 years ago. He was a vegetarian. 100 (1777) was awarded a special prize by the government for his outstanding achievements in traditional Chinese medicine. When he was 200 years old, he still often went to the university to give lectures. During this period, many western scholars visited him. Li Qingyun married 24 wives in his life, and all his children were plump. He thinks there are three reasons for his health and longevity: first, he has been a vegetarian for a long time; Second, keep your heart calm and cheerful; The third is to use medlar to boil water for tea all the year round.