Yin Yang Style and ninety-two Chengs. Each Gua is clearly distinctive. The style of Tian family's Yin Yang Bagua Zhang is integrated with the soft and the hard, powerful and majestic—transmitting China's exquisite traditional culture. Tian family's Yin Yang Bagua Zhang took the meaning of Yin Yang and the Eight Trigrams and applied it to the theories and principles of the palms. The actions of the Yin Yang Bagua Zhang eight forms routine involve the practitioners adjusting the upper, middle and lower sections of their body. The Eight Trigrams are eight different symbols: Qian (乾), Kan (坎), Gen (艮), Zhen (震), Xun (巽),
Taijitu the "yin and yang symbol", itself popularly called "taijitu", represents the second of these five parts of the diagram. The term "taijitu" in modern Chinese is commonly used to mean the simple "divided circle" form (), but it may refer to any of several schematic diagrams that contain at least one circle with an inner pattern of symmetry representing yin and yang. While the concept of yin and yang dates to Chinese antiquity, the interest in "diagrams" (圖 "tú") is an intellectual fashion of Neo-Confucianism during the Song period (11th century), and it declined again in the Ming period, by