Abstract: From the actual needs of enterprise informatization, in order to process decentralized quality information into effective quality information, this paper builds a quality management system based on the needs of enterprises to support enterprise information platform construction. The system designs and develops of a quality management system based on B/S structure, using ASP.NET technology, and combining with the Entity Framework and LINQ to Entity data access technologies. Based on using the traditional layered architecture model, the system increases the entity model framework layer, using database access technology to achieve the separation of business logic layer and data access layer, which greatly improves the efficiency of the system development. The system has been developed and deployed successfully, currently it runs well.

Key words: information system, Web, quality management, LINQ, Entity Framework