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本文介绍了“中国地下水质量评价及污染防护分级图”的编图指导思想及编图原则，总结了该图在编图内容和表现形式上的4个特点：1）表现地下水质量演变的主要特征和基本态势;2）反映自然因素和人为因素对地下水质量的双重影响和共同作用；3）力求专业性与实用性的统一；4）首次实现了在全国范围内，用最新标准和方法，对最新资料进行各种类型地下水的统一计算，统一分级评价，增强了实用性和可比性。
This paper introduces the guiding principle of compilation and the principles of compilation of “Classification of Groundwater Quality Assessment and Pollution Prevention in China” and summarizes the four characteristics of the compilation in terms of content and expression: 1) The main characteristics of the evolution of groundwater quality And the basic situation; 2) to reflect the natural and human factors on the groundwater quality of the dual impact and commonalities; 3) strive to professional and practical unity; 4) for the first time achieved nationwide, using the latest standards and methods, The latest information on all types of groundwater unified calculation, a unified rating, and enhance the practicality and comparability.