With the progress of The Times and development, people on network cognitive unceasing enhancement, enterprise's information management has become an indispensable part of the The enterprise production, sales, human and equipment and office are entered the era of information To the development of an enterprise, we must adopt the new way of life, means of competition to adapt Sales system is also becoming a enterprise information management is one of the important Sales system is presented based on B/S model sales system development, and the system is the requirement analysis and system design method to realize is introduced in this The basic function of the system mainly includes login, users and administrators to User use part includes price management, inquires the management, accounts receivable and exit; Administrator management part includes basic management and out from the This system is divided into two pieces, namely the backend database and Web Because of this system is based on the modular design, so it can be very convenient to expand into suitable for the future more complex The sales system is based on ASP as a platform, SQL Server 2005 as the backend database development Paper system from the sales system design background, function analysis, data analysis and design method and detailed design process and so on various are