我国公民并不缺少环境保护意识,民众日益高涨的对环境的关怀需要立法体制来予以保障。纵观国内外学者观点,我们可以看出,公益诉讼的主要特征之一就是原告资格的扩张。传统原告适格规则规定只有当事人自己的权利或者利益受到侵犯之后才具有原告资格,这一规则是对公共利益的漠视,公益诉讼原告无法满足传统原告适格规则,由此,环境公益诉讼制度应运而生。在研究环境公益诉讼原告适格问题之前应该明确几个概念。法律概 Citizens in our country do not lack awareness of environmental protection. The ever-increasing public concern for the environment needs a legislative system to protect them. Throughout the domestic and foreign scholars point of view, we can see that one of the main features of public interest litigation is the plaintiff qualification expansion. The traditional plaintiffs ’rules of conformity stipulate that the plaintiffs qualify only after their own rights or interests have been infringed. This rule is indifferent to the public interest and the public interest litigation plaintiff can not satisfy the traditional plaintiffs’ And students. Several concepts should be clarified prior to studying the plaintiffs’ suitability issues in environmental public interest litigation. Law outline