This paper comprehensively analyzes the mystery of life experience of Yu Chenglong s son,Yu Tingxuan by collecting various information and makes a bold speculation through existing information.

His life experience, social intercourses and tours exerted great impact on the changes of his thou.

Because of his complicated life experience,few researchers have made a detailed and complete study,with the regult that the introduction to him was insuffcient,even faulty.

This paper elaborates Xiangyun in "The Dreams of Red Chamber" from such aspects as origin, character,talent in poetry,love and marriage tragedy and significance, which is a total new concept of "Xiangyun".

The change of his life from the emperor to a prisoner affected the style of his Ci far damentally, and made his Ci unique artistilc style on the aspects of expressing feeling, creating characters and applying language.

On the other hand, Immortal Taoism Drama have the idea of Taoism abandon world same as Confucian evasive concept It seems complementary between Confucian and Taoism.