Basic medical research, drug development and medical device evaluation involve laboratory animals and animal experiments. The scientific conditions and the animal welfare management of laboratory animals are regarded as a symbol of modernization of science and technology in a country. This paper reviews the animal experiment, the animal welfare and the animal ethics in recent years. In view of the protection of the animal welfare and the animal ethics, and the basic conditions for building a country of innovative spirits, guaranteeing the national scientific security, building a social environment of humanity and creating a favorable international environment, it is urgent to pay attention to the animal welfare and animal ethics.

laboratory animal  /  animal welfare  /  animal ethics