Zhi Yi s “Mixtrue of All Walks of Men” is in fact a theory of animals right; Zhan Ran s “to have feelings but not love between the sexes” is just the concept of moral principle and ecology.

From the perspective of sympathetic understandings, I systematically elucidate Tom Regan s strong version of animal rights and Mary Anne Warren s weak version of animal rights respectively, uncover the limits and legitimate value appeals of them, and point out that we can clarify our duties to animals only through taking animal rights discourse seriousl.