Some developed countries, such as United States, Japan and EU, have adopted double standards in international trade towards developing countries, introducing the unbalanced economic development into international trade.

In view of the incorrect records of and comments on the three prime ministers by The Song-Dynasty History,it argues that historians should maintain an objective and impartial point of view in their study of historical figures,applying no double standards thereto.

This paper analyzes the two opposing phenomena and points out that ancient rulers had double standards to treat hermits with great subjective random,but that their starting point was the same is surprising.

A Research of the "Double Standard" of American Foreign Policy after the Cold War;

Then we realize that double standard is one of the politic characteristics of the USA human rights.

Double standard about sex existed in both HK and Guangzhou,with higher score among students in Guangzhou.

This paper holds the idea that the comparison of Chinese and western culture should follow the "dual standards", that is, the western people should take the Chinese culture as the references in evaluation the shortcomings of modern civilization, while Chinese people should take western culture as references to make profound reflections on their own culture.