<正>This paper breaks through the old study pattern,emphasizing the important of economic analysis and put forward the analytic method.The paper compares mass customization to just-in-time,analyses the two facets which include production and distribution.The production facet is influence of the indirect cost,scale economy,experiences economy and dynamic alliance.The reduction of indirect cost is the innovation,which has special angle comparatively traditional economic analysis.There is gaming between satisfying customer special demand and deciding price.Mass customization emphasizes that customer must achieve to loyalty not only content without increasing extra service charge-faith in company and product.The paper sets forth the economics of scale e- conomy and dynamic alliance to embody the extensive economy.In addition it is another innovation that this paper analyses the de- fects of mass customization to evaluate the economic risk.Through comparing the traditional production mode,demonstrating the implement feasibility in company.That is mass customization has less economic risk whether or not.So the analysis proposes the evi- dences of the way of enterprise production.