Market supervision means that socialist countries rely on economic organizations, administrative organizations and judicial organizations, follow the requirements of objective economic laws, and use scientific methods to supervise units and individuals engaged in commodity exchange activities in the market from the aspects of commodity quality, price and contract. The purpose of strengthening market supervision is to ensure legal transactions, ban illegal activities, safeguard the vital interests of consumers, maintain the normal economic order of commodity circulation, and promote the development of industrial and agricultural production.

Its main contents include: commodity operator supervision, commodity supervision, market price supervision, measurement supervision, trademark supervision and market ticket supervision. Market supervision is the basic function of market management.