The center of gravity of human body refers to the action point of the resultant force of gravity on all links of human body (the whole human body), which is called the center of gravity of human body or the total center of gravity of human body. Step on five elements: gold, wood, water, fire and earth; Eight trigrams in calligraphy: Gan, Kun, Zhen, Kan, Xun, Li, Dui, Gen, Bu and Shou. According to Yin and Yang five lines of gossip, they are interdependent and complement each other. The trend of boxing is also consistent with that of five lines of gossip, and the hands and feet cooperate.

Tai Ji Chuan, an intangible cultural heritage, is a kind of traditional boxing in China, which combines the changes of Yi-ology, Yin-Yang and Five Elements, meridians of traditional Chinese medicine, ancient guidance and breathing, and takes Taiji and Yin-Yang dialectical thought in China's traditional Confucianism and Taoism as its core thought.

1949 was adapted by the State Sports Commission for gymnastics, performances and sports competitions. After China's reform and opening up, it partially recovered its original appearance; It can be further divided into Tai Ji Chuan for competition, Tai Ji Chuan for gymnastics and Taiji Pusher.

There are many schools of traditional Tai Ji Chuan, and the common schools are Chen, Yang, Wu, Wu, How. Each school has a relationship of inheritance, learning from each other, and each school has its own characteristics, showing a state of letting a hundred flowers blossom. Because Tai Ji Chuan is a modern martial arts boxing with many schools and a broad mass base, it is a very vital martial arts boxing in China.