Abstract: By and large,the theoretical method of environmental (ecological)ethics can be generalized to such as broadening the boundaries of moral “classification ” and “community” to include nature.Although environmental ethics has its own ideal and ideological base in western world,there are still some essential problems in its theoretical and logic argumentation.To systematically and deeply summarize and reflect its theoretical method,ideological base and argumentation logic will bring some improvement for further discussion.

Key words: environmental ethics, theoretical methods, ideological bases, argumentation logic