In this paper , according to current practical requirement of information technology and sales management , a new conception putting the idea of customer relationship management into sales management system of erp is put forward , and the contents and methods of their integration are studied . then a method of customization - oriented quotation is proposed . by means of the model of double - layer construction combining c / s and b / s , the sales management system based on erp is researched and developed 本文结合当前信息技术和销售管理的实际需要,提出了将客户关系管理的理念融入erp销售管理系统的构想,研究了它们的集成内容和方法;探讨了面向客户化定制的产品报价方法;并采用c s与b s相结合的双层架构模式设计和开发了基于erp解决方案的销售管理系统。