【正文】 categories culture learned by others is found mostly, and only when people confront challenged and different events they can be thought back. Just as there are several persons and they own respective cultural backgrounds and represent their unique type of culture whereas they municate each other not in isolation but with some connections. At the same time, everyone can learn various cultures during his or her life if you desire to learn these diverse cultures. And one can better understand cultures unlike yours only if you succeed in dealing with the connection between the two. Culture is not still but quite dynamic and very changeable. Three theories are discussed as for changes of culture by Sammy B. Samovar, Thomas F. Jamison (2020) in their work Communication between Cultures. They all are innovative, acculturative and diffused, but as for analyzing changes in culture, it should be realized that while plentiful aspects of cultures are indeed subject to shift and change, these structures in culture that are deeprooted in the country’s thoughts and ideologies are not easily changed like life value, moral values and ethical values, together with view of work and perspectives on the world and so on. In addition, culture is a concept of munities as well as is shared by members of the society. People can share their respective ideas, thoughts, values and various regulations, together with many standards about behavioral patterns in the entire society. The specific denominator enables behaviors of people intelligible and accessible to others. It is for sharing mon culture that members of a certain munity are able to make prediction and reaction in accordance with other’s respective actions in certain particular situation (Martin, J. amp。 for another, knowledge in schematic level in order to input cultural and social characteristics, at the meantime people can only acquire the knowledge in a certain social situation in which kids are able to learn the way to associate the natural language with properties or characteristics of a culture(Liu Liying， 2020). What’s more, various cultural environment can promote to make choices in many aspects of life, which will influence human feelings about the society in perception and linguistically determine how to express ourselves. So it is safe to conclude that essential and indispensable relations can express or indicate the relationship between culture learning and language learning. And it is also true in terms of the relations among language and culture. The researches on crosscultural munication are the very foundation of the relationship, being essential and indispensable, between culture learning and language learning. Furthermore, several causes or reasons can be found from the connections between the two. There is no doubt that language work as the carrier and is an indispensable section of the given culture, and the given language will be greatly effected by culture as well as language can reflect culture. In addition, the transmission in language is the core part of their relations, from the last generation to the next generation culture and language are both spread. So On the Effectiveness of American Situation Comedy in Cultivating Crosscultural Communicative Competence 9 differences are not very obvious between prehending culture and understanding language。 meanwhile, similar words or expressions like “sorry” and “excuse me ” are considered to be powerful words with magic, and they are also internalized during the process of being more social. Their most obvious purpose is to be polite and civilized. Only those people having different cultural backgrounds all put enough stress on sharing these rules in using language, can they avoid such feelings like the natives’ discrimination and dishonesty as well as giving a bad image of your own culture. Not only the particular connections between culture learning and language learning but also the difficulties and challenges can be found in the process of teaching and learning culture in one language schoolroom. Understanding foreign culture is not easy but highly tough and to res challengeable pond correctly to foreigners。 on the other hand, the basic ability to evaluate is also supposed to be focused and valued equally. According to the famous transformational theory in generating grammar, the particular hypothesis about municative petence makes some kind reformation of linguistic research in modern times emerged to some extent. Because it has been maintained for a long time, what’s more, the study vision of municative petence has been opened without doubt and those researches in linguistic and language teaching all have been strongly impacted. And educational outline has involved in the part of enhancing municative petence in the country, in addition, many educators have applied the term frequently during their teaching course. There are various viewpoints about the original mechanism in municating petence。 in addition, others consider the original municative petence as one unlike form from Chomsky as for the relationship between the concept of petence and the concept of municative petence. However, it is easily found that municative petence reached one some level or degree during the early 1970s. As for the relationship between the concept of On the Effectiveness of American Situation Comedy in Cultivating Crosscultural Communicative Competence 11 petence and the concept of municative petence, it can be safely said that there are both similarities and differences to some degree because of their different perspectives. Crosscultural municative petence Many scholars hold that language is a necessary part of culture. If people try to avoid talking about culture when teaching language, then it means process of teaching some nonsensical symbols. If