Feng shui is one of the five arts of physiognomy. It is a method of checking geography on the spot. It is called geographies. In ancient times, it was called surveying and building techniques. It is used to select official palaces, village sites, cemetery construction, etc. in principle. The original meaning is the science of choosing the right place. Feng Shui is originally the art of looking at the land. It is a method of checking geography on the spot. It is called land phase. In ancient times, it was called the art of surveying. According to legend, the founder of Feng Shui was Jiutian Xuannv. The relatively complete Feng Shui knowledge originated in the Warring States Period and is an important part of Chinese history. A long-standing mysterious art, also known as Qingniao and Qingnang, the more academic term is called Kanyu.