ISO 9000:2005描述了构成ISO 9000系列主题的质量管理体系的基本原理，并定义了相关术语。 适用于以下情况: a） 通过实施质量管理体系寻求优势的组织； b） 寻求其供应商对其产品要求将得到满足的信心的组织； c） 产品的用户； d） 与相互理解质量管理中使用的术语有关的人员（如供应商、客户、监管机构）； e） 组织内部或外部对质量管理体系进行评估或审核其是否符合ISO 9001要求的人员（如审计员、监管机构、认证/注册机构）； f） 组织内部或外部就适合该组织的质量管理体系提供建议或培训的人员； g） 相关标准的开发者。

ISO 9000:2005 describes fundamentals of quality management systems, which form the subject of the ISO 9000 family, and defines related terms. It is applicable to the following: a) organizations seeking advantage through the implementation of a quality management system; b) organizations seeking confidence from their suppliers that their product requirements will be satisfied; c) users of the products; d) those concerned with a mutual understanding of the terminology used in quality management (e.g. suppliers, customers, regulators); e) those internal or external to the organization who assess the quality management system or audit it for conformity with the requirements of ISO 9001 (e.g. auditors, regulators, certification/registration bodies); f) those internal or external to the organization who give advice or training on the quality management system appropriate to that organization; g) developers of related standards.