巴西的集合诉讼制度是在借鉴美国集团诉讼的基础上所进行的一项制度创新,是拉美国家此类制度的立法典范。其主要表现形式有民众诉讼和公共民事诉讼。这两项制度在原告资格、适用的领域、所保护的权益之性质、诉讼费用规则、判决的既判力等方面具有鲜明的特色和优势,对于我国未来相关制度的完善具有重要的借鉴意义。 The system of collective litigation in Brazil is a system innovation based on the litigation of the U.S. corporations and is the legislative model for such systems in Latin American countries. Its main manifestations are civil lawsuits and public civil lawsuits. These two systems have distinctive features and advantages in the qualifications of the plaintiffs, the fields to be applied, the nature of rights and interests protected, the rules of litigation costs and the res judicata of judgments. These two systems have important reference significance for the improvement of the future relevant systems in our country.