Abstract: The ecological crises essentially reveal a dilemma involving human existence. Th e way out of the predicament is to reform human values of nature and to set up a ppropriate ecological ethic norms by referring to the concrete ecological status , which involves the necessity to dissolve the difference between the fact and v alue, accordingly to act on both the ecological facts and on the fine norms. Thu s, it is not impartial to assert that human interests should always come first, nor is it correct to say that preserving an ecosystem is always more important t han protecting any set of human interests.