With the increase of people's awareness of environmental protection. Therefore, many researchers have focused on how to recycle and reuse old products in the hands of consumers. In order to propose an analysis framework for the trade-in strategy under the closed-loop supply chain, based on summarizing the existing consumer trade-in policy research, a closed-loop supply chain analysis framework is first constructed, and it is proposed that producers and consumers are separated (according to stage profit or Decision-making based on profit) and unified decision-making (decision based on total profit or total profit). Then, in the closed-loop supply chain, combined with the consumer trade-in policy, a four-group dynamic game process and A set of consumer trade-in analysis frameworks in a static game process.