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本文介绍了中小企业实施ERP的必要性，ERP系统如何优化企业管理，改变企业管理的思想，为企业带来巨大的经济效益。业务流程重组总是与ERP系统相伴而行，本文以采购流程为例介绍了如何进行业务流程重组。企业ERP系统的常用模块的设立以及各个模块的职能。本文结合中小企业的特点,对中小企业传统管理模式的缺陷，应用ERP系统后企业管理模式作了深入的研究。

This article introduces the necessity of implementing ERP system in medium and small companies, and also how it works to customize the company management and change the managing ideas to acquiring huge economic benefits. Business process restructuring and ERP system always accompany with each other. This article also introduces how to restructure the business process in the example of sourcing, and also the building and functions of the company ERP system commonly used modes. According to nowaday medium and small company features, this artical trys a profound research in traditional management defects analysis and the management mode after ERP system implementing.

This article introduces the necessary of execution of ERP for the minor enterprises, how the ERP system optimizes the enterprise manag