Considering the presence of shortage cost,this paper studied the revenue-sharing contract of a three-level supply chain with a manufacturer,a distributor and a retailer.Firstly it analyzed the situation of the performance of the supply chain without the revenue-sharing contract,and then discussed the revenue sharing contract under the constraint mechanism of retailers,distributors and manufacturers optimal decision,and then the author discussed how to achieve the coordination of the supply chain.Finally through the case analysis,we focuses on the influence of the profit of the supply chain members with different revenue sharing coefficient