Taichi Chuan, one of the most important boxing in Chinese Wushu , was established upon the basis of Taoist breathing exercises ,applying the theory of Yin & yang and the theory of Jingluo in traditional Chinese medicine. The essence of Taichi Chuan lies in the diagram of cosmological scheme. Taichi Chuan is famous for its smooth movements and Yin&Yang as its philosophical essence .With rich contents , it is designed not only to attack and defend , but also to cultivate oneself .