"Ci Yuan" says that "the dragon is a miraculous animal in ancient legends that is good at changing and can make clouds and rain benefit all things. It is the leader of scale insects"; "Ci Hai" also says that "the dragon is a magical animal in ancient legends. A miraculous animal with scales and beards that can stir up clouds and make rain." Therefore, the definition of dragon is: a legendary magical animal, characterized by being a creature with scales, beards, and the ability to make clouds and rain.

The legendary human ancestors Fuxi and Nuwa both had dragon bodies and human heads (or snake bodies and human heads), and were also called "dragon ancestors". The ancestors of the Chinese nation, Emperor Yan and Emperor Huang, are said to have a close relationship with dragons. "The Yellow Emperor's dragon Xuanyuan's dragon picture comes out of the river" ("The Year of the Bamboo Secretary"). It is said that Emperor Yan was born and died after sensing the "dragon head" for his mother. Later he turned into a red dragon. Therefore, the Chinese call themselves "descendants of the dragon".

In Chinese legends, dragons can hide and appear, ascending to the sky in the spring breeze and diving into the abyss in the autumn breeze. It can also stir up clouds to cause rain and soar into clouds and drive fog. The dragon queen became a symbol of imperial power, and the emperor was also called the true dragon emperor. The utensils used in the imperial palace were also decorated with dragons.

"The Classic of Mountains and Seas" records that Xia Houqi, Lingshou, Jumang and others all "ridden two dragons". There are also legends such as "Zhuan Xu rode a dragon to the four seas" and "Emperor Ku rode a dragon in spring and summer". In China, customs such as "dragon lantern dancing" ("dragon dance", "dragon lantern dance") are popular. In the minds of Chinese people, the dragon is extremely powerful, ever-changing and omnipotent. It symbolizes freedom and perfection.