In a fixed location, regular or temporary focus on the sale of the market. The market is a market that is naturally formed by farmers (including fishermen, herders, etc.) and other small producers for the exchange of products. The market has a variety of ways, such as set, market, field and so on. In ancient China, often known as the grass market. In northern China, generally referred to as a set. In Guangdong and Guangxi, Fujian and other places known as the market. In Sichuan, Guizhou and other places called the field, called Jiangxi in the fair. There are other places called, generally referred to as the market. The market can be considered the traditional form of the exhibition. In China, the market is recorded in the Zhou Dynasty. In rural China. The market is still widespread, the market is one of the main ways of rural commodity exchange, in the rural economic life plays an important role. The main commodities traded on the market are agricultural and sideline products, native products, daily necessities and so on.