This study is to discuss the retailer¡¦s order quantity decisions in a situation of two- echelon channel. When the upper manufacturer or wholesaler provides or does not provide the return policy, how the downstream retailer does the best strategy to respond to¡HDoes the return policy influence the retailer¡¦s will of order merchandise¡HAnd how does the risk attitudes of the retailer influence his order quantity decision¡H Different form the papers before, we use the method of maximum utility to find the best solution. We also refer to the model developed by Lau & Lau (1999), and conduct a model for the retailers who are different risk attitude to make strategic decisions after simplified and modified it. First, the manufacturer quotes for the wholesale price of merchandise and the buyback price of returned merchandise. After considering this information of the quotation of prices, then the retailer can do the order quantity decision in accordance with his own risk attitude. Because there are few paper talk about how the risk attitudes influence pricing¡Border decision and return policy, we hope this paper can become a useful reference material and more and more related researches will been issued in the future to provide suggestion for business .