关键词: 转基因动物, 欧盟, 动物福利法规

Abstract: Abstract: Ethical issues about laboratory animal recently attracted more attention in academic fields． It is also reflected in the public policy now． Transgenic animal is a kind of laboratory animal，and it is widely used as its unique advantages，but it also brought new problems on animal welfare ethics． The laboratory animal welfare legislation plays an important role in regulating human behavior，and promoting the rational use of animal． The EU animal welfare legislation and regulations were concrete，and kept constantly updated． The EU regulation has the maximum effect on the other country． Study on the advanced experiences of the European Union will help us on the perfection of relevant legislation and fill the deficiency of transgenic animal welfare ethics regulations in China．

Key words: transgenic animal, European Union, animal welfare regulations