Sending a piggy bank has the meaning of accompanying through long years, as well as the willingness to work hard together for a better future. At the same time, the piggy bank is also a treasure trove, symbolizing great auspiciousness and is suitable for giving gifts to others. It's like a memory, all saved up, and then counted out every once in a while, taking out memories to supplement; Accumulating a little makes a lot, which means you need to accumulate love bit by bit, and accumulate more and more.

Pok Man is a container for storing coins in ancient China, that is, a modern pottery jar for storing coins. Before the Han Dynasty, it was called "缿" and since the Han Dynasty, it has been called "Poman". It first appeared in the Qin Dynasty, matured in the Han and Wei dynasties, flourished in the Tang and Song dynasties, and continued until the Ming and Qing dynasties. Today, it is called a "savings jar". Its materials are diverse, including pottery, porcelain, bamboo, etc. The titles vary from place to place, with the northern part referred to as the mug gourd jar and the southern part referred to as the mute jar.

In the Qin Dynasty bamboo slips' Guanshi Law ', it was recorded that during the trading process, merchants had to invest the coins they received into the' Qian Qian ', so that officials could calculate their income and pay taxes proportionally. At this time, the "缿" not only has the function of temporarily depositing coins, but also has the function of counting and weighing, which can be called a coin storage device or a coin weighing device, and has initially taken the form of a coin storage device.