According to legend, ancient people called dragons, phoenixes, unicorns and turtles the four spirits, which are the embodiment of good luck and the sustenance of good wishes. Legend has it that the Dragon King promotes sex and rain to benefit the world. As a god, the dragon has been a national symbol worshipped by the people of China since ancient times, and it is the product of artistic creation. It is a combination of lion's head, snake's body, fish's tail and chicken's feet. It is brave, flexible, friendly and noble. It combines people's ideals, wishes, wisdom and strength, symbolizing good luck and happiness.
As early as the Han Dynasty, dragon lanterns were very common. Folk people use dragon dancing to pray for the dragon's blessing, in order to have a good weather and a good harvest. By the Tang and Song Dynasties, the dragon dance had flourished among the people, and the form and performance skills of dragon lanterns were perfect. According to Wu's Dream in the Song Dynasty, "the grass is covered with a green curtain, and thousands of lamps and candles are densely arranged, which looks like a double dragon." This article fully shows that by the Song Dynasty, dragon lanterns had been active in the north and south of the river. It is said that there was a drought in Jinyang one year. The Jade Emperor asked the Dragon King of Jinjiao to scatter rain in Jinyang, while the Dragon King of Jinjiao scattered rain in the south, drowning many people. When the Jade Emperor learned the news, he reprimanded the Dragon King of Jinjiao. In order to atone, the old dragon king visits people in the world every Spring Festival, promising good weather, abundant crops and happiness in the coming year.