Under the condition of considering government subsidy and coordination contract, this paper designs cost sharing contract in the manufacturer led green supply chain to encourage the manufacturer to improve the green quality level of products. It then introduces revenue sharing, quantity discount and two tariff contracts to evaluate the coordination effect of these contracts on the green supply chain composed of government, bank, manufacturer, retailer and consumer. The results show that under the premise of cost sharing, the introduction of three kinds of contracts can effectively control the impact of external factors on the supply chain. However, the introduction of revenue sharing is not conducive to the development of green supply chain. In the other two combination contracts that can achieve supply chain coordination, the introduction of quantity discount is better than the two tariff within a certain range.