Tom Regan, as the representative of radical Animal Rights Theory, tries to stop human using and exploiting the animals through demonstrating that the animal has rights. However, this idea is still difficult to get general acceptance and practice of the public. This paper deeply studies the research results of bioethics, law and sociology, etc. for the protection of animals and what kind of attitudes and ideas should be taken, and analyzed the difficulties faced bv the animal rights theory from both theoretical and practical perspective.%以汤姆雷根为代表的激进动物权利论者试图以赋予动物“权利”的方式来停止人类对动物的使用和剥削，这一主张至今仍然难以得到大众普遍的认同和践行．文章深入分析了近年来有关生物伦理、法律及社会学等各方面针对动物保护问题以及应该采取怎样的态度和主张问题的研究成果，并从理论和实践两方面分析了当前动物权利论所面，陆的困境．
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