Because there are festive window grilles with fat pig arches in contemporary folk, which means making money into treasure. Most piggy banks are in the shape of pigs, because pigs represent wealth. In the Tang Dynasty, Hongzhou people became rich by raising pigs, so they were called Tang Ang, Yin Zhong and Black-faced Chicken.

Pig is a well-known animal, and people call it the first of six livestock. As the last of the zodiac, it is also well-deserved as the finale prop of the zodiac. China has been raising pigs for 7,000 to 8,000 years. In many ancient tombs, even in the Neolithic human remains, there are many pig carcasses. They often measure their social status and wealth by the number of livestock, so they bury pigs in graves or as sacrifices. When the family offered sacrifices, Chen Gou was in the house and the whole family offered sacrifices, so "home" had a structure under the treasure cover, so we use "home" now. There is also a saying that when I was in the countryside, I kept a pig at home.

Because of the one-to-one correspondence between the zodiac and the twelve earthly branches, the pig ranks twelfth among the zodiac and the sea ranks twelfth among the earthly branches. From 9 pm to 1 1, it is Shihai. At this time, all is silent, and the pig is snoring, so it is a sea pig. Pigs are also called Tang Ang, Black-faced Wolf and Dark Lord. In ancient times, it was called cow, also known as cow, cow, or just cow. There were many nicknames for pigs in ancient China, and the second most commonly used one was Cai.