Traditional and dual opposed think model is profound Reason which arise the environmental problem. Radical post - modernism criticized this point through deny reason subject and de-construction dual opposed object-subject relation. But there is a contraction. We should constructed new relation between object and subject from the view of constructive post - modernism and COMbining modern sciences ’ development . As such ,we can improve environmental ethics and can perform sustainable development strategy.

The article pointed out that the contextual reconstruction of scientific realism is a historical choice ,after researching deeply its evolvement during the 20 th century. Then it expounded the vindication of the realism in terms of this new methodology ,and gave the contextual requests. Finally ,aiming at the direction of the realism in the 21 st century ,the principles of the contextual reconstruction was brought definitely forward.

Feminist psychology has very important metholdogical meaning to Western psychology since its coming onto the historical stage of psychology. The criticism of feminism psychology to the key assumption of mainstream psychology — — — objectivity and value - free theory — — — has shaken the arrogant status of positivism in psychology ,and made it possible that psychologists pay more attention to the historical and cultural factors. Feminist psychology also has shaken the andocentric status of mainstream psychology ,and made the women ’ s experiences and subjectivity the object of psychological study. The epistemologies ,initiated by feminist psychology ,has arisen psychologists ’ reflection upon the methdology of mainstream pschology from different angles and promoted the methodological reconstruction in psychology.