规范公司管理体系内部审核程序，准确评价管理体系运行是否符合管理体系标准，及实现既定方针、目标的能力，寻找体系改进的机会-Standardize management system internal audit procedures, accurate　uation of the management system operation is in line with the management system standards, and the ability to achieve the established guidelines, objectives, looking for opportunities to improve the system