The market mechanism has unique advantages in resource allocation, and the introduction of market mechanisms in the construction of popular science information is conducive to promoting the sustainable development of popular science information construction. However, the market is not omnipotent. The profit-seeking nature of social capital may affect the public welfare of popular science work, thus affecting the sustainable operation of popular science information. By combing the market mechanism to participate in the basic situation of popular science information, analyze the advantages of market mechanism participation in popular science information, explore the problems that may arise after the participation of market mechanism, and put forward suggestions for the sustainable development of popular science information construction