Abstract: In order to determine the retailer's optimal ordering strategy, assumed that the retailer will adjust the quantity and the payment during order process, analyzed the single retailers ordered process and characteristics from multi suppliers, in the short lifecycle products random demand. Established respectively the profit models of the one stage order strategy and two stage order strategy, analyzed and compared the two kinds of strategy influence on the retailer's profits. The results showed that for short lifecycle products in the random demand, considering the suppliers' wholesale prices and each individual production capacity, the single retailer facing multi suppliers would select suppliers with the optimal order quantity. Focusing on the maximize profit, retailer would select one stage order strategy, rather than two stage order strategy.