CRM is a modern management concept. It comes from the marketing theory of western. These years, considerable development of information technology has opened a broad space for popularization and application of the marketing management concept. CRM has collected the newest information technology, including internet, electronic commerce, Multimedia Technology，data warehouse and data mining, expert system and artificial intelligence. It centers in customers, views them as resource and is able to realize their satisfaction through caring. CRM information system is the technical realization of CRM. At the same tine, providing CRM application service by ASP has become a new tendency in this area. For the ASP customers, they don’t need to equip with professional men to manage and maintain system, but to get what they want from the third party ASP through internet. ASP suppliers lease either partial or all CRM software, and supply either partial or all supportive service.
KEYWORDS：CRM,CRM Information System,ASP,Internet
