In Shanghai, Ningbo, Zhejiang and other places, there is a custom of welcoming the God of Wealth at the beginning of the lunar calendar. In the former, live carp are threaded through silk ropes and pasted with red paper as a sacrifice, which is known as "Yuanbao Fish Plate Fish". The latter offered two yellow croakers on a tin plate, symbolizing gold, because in the old days the locals called the gold bars "big yellow croaker" and "little yellow croaker"; in some places, the live carp offered after the offering were taken to rivers and released into the wild, which means "business is booming" It connects the four seas, and its wealth reaches three rivers." In a wedding custom related to fish in eastern Zhejiang, when the new daughter-in-law gets off the sedan, she scatters some copper coins on the ground. Copper coins are commonly known as copper coins, and when a new daughter-in-law scatters them, she calls them "carp scattering seeds." It is said that carps lay many eggs, which means strong reproductive ability and "a family full of offspring." In addition, in the "Eight Treasures Picture" that has been popular since the Ming and Qing Dynasties, one of the eight treasures, "Jade Fish", has been promoted as "Auspicious Days with Fish (Yu)" because of its homophony, which symbolizes a good year, abundance and prosperity. This type of ancient cultural relic includes a bronze washer from the Han Dynasty, which has a pair of fishes painted on the bottom and the words "Dajiyang" on the side. One of the ancient brocade patterns is decorated with beautiful fish scale patterns, which is called "fish scale brocade". Fish pictures that people like to see are similar to the fish-character paintings: "Gold and Jade Congratulations", which depicts goldfish and lotus flowers; "More than anything every year" is represented by firecrackers and fish; "Good luck year after year" is represented by silver carp , oranges;... In short, people's colorful lives are full of fish fun, and fish bring good luck and beautiful wishes to thousands of households. The locks used in the Tang Dynasty were also designed in the shape of fish, ranging from palace gates to jewelry boxes. This meant that the eyes of the fish remained open day and night to prevent theft.

The words "fish" and "yu" are homophonic, symbolizing wealth. "Like a fish in water" describes a harmonious, happy and comfortable life. "鳜" and "gui" are homophonic, which means "more than enough wealth and honor". "Carp" and "profit" are homophonic, and "every family gets profit", which means there are many people buying carp.

"Silver carp" and "lian" are homophones, and the picture composed of lotus and silver carp is named "Lian Lian Youyu"; "goldfish" and "gold jade" are homophonic, and the picture depicts children playing in a pond or fish tank with goldfish, so it is named For "the pond is full of gold and jade" and so on