Bagua, a mysterious symbol from ancient China, can be traced back to the Fuxi era in prehistoric times. According to legend, a dragon horse carried the 'He Tu' while a divine turtle brought the 'Luo Shu.' Fuxi combined these two symbols to create Bagua, which was used for predicting fortunes and calculating calendars. The Bagua diagram consists of eight symbols: Qian, Kun, Zhen, Xun, Kan, Li, Gen, and Dui, each representing one of the eight primary substances of the universe. The post-heaven Bagua starts with the Zhen trigram and is arranged in a clockwise manner, symbolizing the laws of change in nature. Bagua holds significant importance in traditional Chinese culture and has inspired endless speculation among scholars, even being interpreted as a code for extraterrestrial beings and a tool for knotting records. Despite this, the specific process of its creation, its uses, and its meanings remain shrouded in mystery.