Four gods tattoos include

It includes four kinds of animals: Qinglong, Baihu, Suzaku and Xuanwu, and a set of patterns composed of these animals, also known as "Four Spirit Patterns". The pattern of four gods was widely used in the Han Dynasty, and the decoration of bronze mirrors, lacquerware, stone carvings and bricks also appeared from time to time. In the Han dynasty, the four gods were regarded as related to avoiding evil spirits and seeking happiness, which also indicated the season and direction. The direction of Qinglong is east, representing spring; The orientation of the white tiger is the west, representing autumn; Suzaku is located in the south, representing summer; The orientation of Xuanwu is north, which represents winter. Cao Zhi, the son of Cao Cao, wrote in Ode to the Tortoise: "The Jiande of Jia Siling lies in one side. The black dragon roars in Dongyue, the white tiger roars in Xigang, the Xuanwu gathers in the cold door, and Suzaku lives in the south. It is a description of the four gods. Among these four animals, Xuanwu is peculiar, which is a combination of tortoise and snake. "Xuanwu is called tortoise and snake, so the north is called Xuan, and it is called Wu because of its scale." Some people explain that this is related to the ancient totem belief and is a reflection of the clan extramarital system. Judging from the shape of the tile, the feature of the tile in Han dynasty is that there is a big column in the center and the side wheels are wide and tidy. Pre-production is divided into three processes: first making tile core, then making side wheel, and finally making tile. After the mid-Western Han Dynasty, the tile core and tile wheel were not made twice, but once, and the manufacturing process was simplified. These molds are printed with tiles of four gods: Qinglong, Baihu, Suzaku and Xuanwu. Magnificent and lifelike, it is the masterpiece of the New Mang period.