【正文】 . With more emphasis put on both language teaching and culture teaching, there are an increasing number of insiders who do not simply think language teaching as imparting language knowledge but bine language petence together with crosscultural municative petence for developing students’ petence to flexibly use cultural knowledge in crosscultural municative situations. Significance Films are from life and can reflect the national culture and contribute greatly to understandcontribute to doinging the target language culture better. Consequently appreciating films would be one key channel to input culture and export culture. Original movie series can make class atmosphere easy, and college English teachers should make full use of the media to boost students’ learning enthusiasm and expand the understanding of western culture, which is to improve students’ crosscultural municative petence. Plots in sits are very amusing and interesting. In addition, their lines are largely classic and humorous . Teaching with situation edies can ease students’ anxiety, which not only buildbuildss a fortable studying environment, arousing learning passion, but also createcreatess an occasional laugh so that students fall into initiative and active studying habits so as to meet the ultimate goal to improve learners’ intercultural municative petence. Structure The thesis consists of six chapters. The first chapter is introduction, including background and significance and structure of the thesis. The second chapter is literature review. The third chapter introduces language and culture and the relations between language learning and culture learning. Then the fourth part indicates briefly municative petence, crosscultural municative petence, crosscultural municative awareness and crosscultural municative barriers and cultivation. The fifth chapter discusses the improvement of crosscultural municative petence in situation edy, and it refers to three parts as follows: mon problems of English learning, appreciation of films and TV plays in cultivating crosscultural municative petence and application of situation edy in class. Finally, the six chapter is the conclusion of the thesis.Chapter Two Literature Review Situation Comedy Situation edy, also called sits, is one type of edy featuring features that shares the fixed mon setting, like one coffee shop or an apartment or a house, with now and then jokes as one kind of dialogue(蘇莉杰，2012). Although this type of programs has roots in radio, now situation edies can only be found on television to a great extent. More specifically, sits, involving a fixed cast of actors in one succession of episodes, are either radio set or television series of edies. Besides, frequently all these characters are dramatically various forms gathered together by situations as well as sharing the same surroundings such as a home or a particular apartment. Usually situation edies are in length half an hour, where the plot is designed to cover totaling twentytwo minutes in duration and additional eight minutes for another mercial use. Furthermore, in sits the story is either employing plotted applause or taping in advance of a studio audience, which is noted by verbal arguments and quickly settled conflicts.William Asher has been known as a great person who invents the situation edy, in addition who has guided dozens of the major sits in America. In various periods, American situation edies show discriminating characters from 1950s to now in the middle of their developing process. In the nineteen fifties family edies and workplace edies were two genres of initial sits. More fantastic ponents were added into live action situation edies by sits inventor till the middle of the 1960s. What’s more, before nineteen sixties American sits were not filmed in front of the live audiences but postproduced a prerecorded laughter. Situation edies get down to addressing a large amount of controversial issues in the initial 1970s as well as mostly go back to the threecamera system in front of live audience. As for American sits in the 1980s, plentiful American situation edies like Growing Pains returned to family。 their main topics are about parents and children, nevertheless there were few political issues involved in the sits. Till the middle of the 1990s ongoing plot lines were applied in some situation edies. Friends, a wellknown sit, apply an element of soap opera, for example, the cast’s relations are built little by little over the process of the all stories. Crosscultural CommunicationCrosscultural munication studies the way that people from around the world and varying in their cultural environment or backgrounds exchange and municate each other properly, in addition to how they strive to plete it intercultural munication well(胡文仲，1999). Diverse cultures will inevitably confront and then conflict, finally bine with each other with the world globalization, peculiarly the growing of world merce. It is not only language obstacles but also cultural features will affect the process of munication among people in different areas.As is wellknown, Edward Hall in his Silent Language (1959) first mentions crosscultural munication. In the 1960s, the intellectuals in munication conceptualized crosscultural munication. A great deal of published works reflects a quick progress in the field during the 1970s. Being integrated was the right direction of its development during the 1980s. The nineties witnessed great importance to variation of ways. And great efforts to right colonial and historical misbalances are witnessed by the 1990s. Many crosscultural munication basic theoretical models are e up with in the late of twentieth century. So what and when can be defined as crosscultural munication after all? Generally speaking, it is intercultural munication that is such munication among different persons ing from various nations as well as having diverse cultural backgr