Considering the government rental subsidies, a double closed-loop supply chain model consisting of a single manufacturer and a single distributor was established.According to the model, the optimal pricing strategy under circumstances of both centralized decision-making and decentralized decision-making was studied, and the influences of rental subsidies and cost parameters on the pricing strategy and profit were discussed.The correctness of the constructed model was proved via an example.The studies prove that:the optimal amount of leases and sales under the centralized decision-making are twice the amount under the decentralized decision-making; under the decentralized decision-making, the manufacturer's optimal profit is twice that of the dealer, in addition, the total profit is lower than the total profit under the centralized decision-making; if the rent subsidies are increased, the demand for products will also be increased, so it can prompt consumers to use the products in the form of lease.