Whether Zhoutian Bagua exists. . . . Can you explain it in detail...

Of course it does. How many years has China existed from ancient times to the present! The Five Elements and Bagua theory is divided into Yin Yang, Five Elements and Bagua theory. The "Five Elements" specifically refers to the elements of metal, wood, water, fire, and earth. The theory of the "Five Elements", like today's mathematics, physics, and chemistry, has always been the tool and method used by ancient Chinese sages to engage in various researches, regardless of Taoists, doctors, military strategists, Confucianists, historians, miscellaneous scholars, and calculators must all be proficient in the "Five Elements." Bagua is the continuation of yin and yang and the five elements, or it divides all things into Bagua. The eight trigrams are: Qian, Kan, Gen, Zhen, Xun, Li, Kun and Dui. Bagua is usually used in subjects such as orientation, hexagram measurement, and Feng Shui. The subject that best utilizes the Eight Diagrams is Plum Blossom Yishu.