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This article describes a joint contract for new products or applications in the cloud computing market to coordinate the third-order cloud computing service supply chain. In this section, the article assumes that the information is completely symmetrical, and the requirements are subject to uniform distribution. The research results show that the revenue sharing contract can improve the profit of the cloud computing service supply chain and its members but can not achieve the coordination of the supply chain. The joint contract can coordinate the supply chain of the cloud computing service and arbitrarily distribute the profits among the members of the supply chain. In addition, the sensitivity analysis shows that, when the market potential demand is large, the price sensitivity is low, and when the range of demand changes is small, the supply chain contract is obviously better than the decentralized decision.