The countryside was the break\|through point for economic reform in the new period,and the rapid development of the rural economy led to accompanying changes in social customs.

The study of its causes and characteristics is very helpful,not only for comprehending the political re- form and the economical development of that time,but also for inspiring and lending experiences for our current social custom reforms.

Tipping is a kind of comprehensive social phenomenon,which implies profound social custom,economic significance and value orientation.

Studies on color words from the angles of psysiology, linguistics, sociology indicate the close association between color words and psychology, behavior of an individual, historical background of a society as well as social conventions of a nation.

As the old traditional etiquette and customs were incompatible with the modern fashion of life, a batch of advanced intellectuals inherited and developed the substantial fruits evolved from the Chinese traditional social conventions after the Opium War, especially after the Revolution of 1911 so that the step of westernization of Chinese social .

In the domain theory“the domain”includes:“morality”,“social convention”,“personal issue”as well as overlaped and mixed domain.

The sociologist puts forward that the law is the order operated in the custom society.

To introduce the social culture and conventions into the English class,is an effective way to avoid the Negative Transfer of Native Language.