This thesis is to probe how the social and cultural factors affect American euphemism,which include the mid-class culture,women′s liberation movement,racial problem,politics and war.

Linguistic and rhetorical characteristics of euphemism;

Pragmatic Functions of Euphemisms in English;

Cultural differences reflected in Chinese and English euphemisms;

Although there are surprising similarities between corresponding expressions in two languages, differences between them are obvious, especially in euphemistic discourse.