Dragon ranks fifth among the 12 zodiac animals, and twelve o'clock in the day is also called "dragon time" from seven to nine in the morning. When the year is divided by 12 and the remainder is 8, it is all the Year of the Loong. In China, the dragon culture and the legend of the dragon contain the world view that China people attach importance to the unity of man and nature; The appeal of the concept of mutual subject of love; The development view of yin-yang intercourse; The inclusive view of multiculturalism. Dragons have rich cultural connotations. From the nature and connotation, dragon culture can be divided into three types: religious dragon, political dragon and artistic dragon.