Refers to the natural person or legal person who engages in brokerage business such as brokerage, brokerage or agency in order to promote the transaction of agricultural products and agricultural means of production in rural economic activities. It plays an important role in the rural market. By collecting, sorting out, analyzing and transmitting the market information of agricultural products, we can help farmers understand the market demand and price changes, provide farmers with sales channels and trading services, and promote the circulation and sales of agricultural products. The emergence and development of rural brokers is helpful to improve the market competitiveness of agricultural products, increase farmers' income and promote the development of rural economy.