A customer information system is a typical information management system. It involves three aspects, the backstage database establishment, the application development and the system maintenance. A car insurance information management system is based on browser/server structure. Microsoft SQL Server establishes the backstage database. Active Server Pages, from Microsoft as well is used as the interface layer. The objective of this thesis was to apply ASP to the dynamic storage of a web page and series of database applications in order to create a car insurance information management system. The backstage database structure and the interface layer connection was created by analyzing the function of the customer information system, the module division, the database pattern. The result of this thesis was a car insurance information management system in which the operators can perform customer information updating, inquiry and statistics. The system provides a simple information management method.