In the Tang Dynasty, the institutions specialized in depositing and lending coins and valuables were called counter shops. The items hidden in the cupboard are mainly money, silk, jewelry, jade and antique calligraphy and painting. Because of its abundant funds, it absorbed many rich people to store money and valuables, and the cabinet was like a money house in later generations. In addition, the existence of cabinets is also necessary for time.

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Copper coins were widely used in the Tang Dynasty, and people stored them in the counter in advance, making it more convenient to take them when buying and selling. Copper coins weigh six catties and four taels each, so it is very heavy and inconvenient to carry a lot of copper coins out. There are counters on the market for storing money, which is naturally conducive to the development of trade. In fact, counter stores had some rudiments of financial markets in early modern times, which was also an important reason why the commodity economy developed rapidly in the Tang Dynasty and became a world-class power at that time.