Abstract: Abstract Based on the market survey of e-retailers and e-consumers, find the key factors and combined with apparel Newsboy model and ordering theories, construct an optimal model of apparel ordering, the model parameters set the utility function, and the numerical solution of case presentation is given to model construction and application to help e-retailers for ordering, selling, advertising and Inventory management decisions.

Key words: Newsboy model, theory of often-buying, apparel e-tail, order strategy, order model