p;in our daily verbal communication. If the generating mechanism of verbal humor can be mastered, it can be much appreciated and its humorous effects can be applied to make verbal communication much more efficiently and smoothly so that it makes human relation be bettered off. To get fully interpretation the essence of generation mechanism of verbal humor from various aspects is difficult. However, the basic interpretation of the humorous effects‘ mechanism is not impossible. Many scholars have done numerous researches on it. American talk show, whose main feature is humor, is also a hot topic for further studies. Researchers have already conducted such research from various aspects and gain fruitful achievements.
1.1 Previous Study of Related Theories of Humor
There is a long history for the western scholars to be engaged in the study of humor for humor has the characteristics of universality. Therefore, the scholars have studied humor from different aspects. Since the late 16th century, some researchers have been doing such study it from the perspective of aesthetics(Chen Xiaoying, 1989). In the aesthetic category, humor has the similar meaning with fun, irony, banter, which is a term in the comedy theories. There are three classic theories of humor in western linguistics: theory of release, superiority and uncoordinated theory applied in the study of humor, which is conducted from the perspective of psychoanalysis, philosophy and psychology respectively.
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1.2 Previous Comment and Research on The Tonight Show
The Tonight Show, which is a widely-known late-night talk and multi-theatrical program in the USA, is founded in 1954 by American National Broadcasting Company (NBC). In May 1992, the famous comedian Jay Leno was invited as the fourth host of this program. He presided humorously but not tartly, very considerate towards the guests and avoids embarrassing them, which helped him win countless fans and made the show maintain a high rating, even the top popular talk show for a long time. For some reasons, on February 17, 2014 Jimmy Fallon took over the position from Jay Leno and since then it was renamed as The Tonight Show Starring Jimmy Fallon. Jimmy is a funny monologue actor, a TV presenter, an actor and a musician. He is famous for Saturday Night Live and several other dramas. In 2011, Jimmy Fallon served as the host of the 62nd Emmys. In its first regular Monday night The Tonight Show Starring Jimmy Fallon attracted 6.26 million audience and 2.1 ratings among people aged from 18 to 49. This is th