Manufacturing execution system is the link in the process of enterprise implementation information integration.Structured simplified model of the virtual product list,improve efficiency of customized products management. Established model for segment customized products in time and space. Classified the parts and products which had the same specifications.These products can directly get from the warehouse and distribution.Classified the products that need to completely redevelopment at the same time. Attained the purpose of shorten the delivery time. And on this basis, designed customization model for products based on MES. Under the support of information exchange capabilities platform by manufacturing execution systems . Deliver customization model data to the production unit in time, to ensure that custom products completion on time, by volume and quality.