Contemporary teenagers who grew up after the reform and opening up live in a relatively free and tolerant social environment, and the spirit of the times advocates secularism and freedom more. Contemporary teenagers are rarely influenced by traditional culture. Even the Cultural Revolution only left a hazy childhood impression in their memory. They are born with a lack of historical memory. After the reform and opening up, the proliferation of strange cultural fast food and pop art became their most direct spiritual food. This cultural form dispelled the traditional authority and directly deconstructed the political ideology in history. Popular culture violently impacts the elite culture with humanistic spirit as its value goal and the mainstream culture embodying official ideology, and becomes the constructor and carrier of the ideology that remains unchanged in daily life. It is in this background and cultural environment that popular culture affects the growth of contemporary teenagers.

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As a cultural form in the new era, popular culture has the realistic functions of dispelling sacredness, advocating individuality, emancipating the mind and strengthening the tendency of democratization, which plays an important role in the reconstruction of human nature and is conducive to people's pursuit of individuality liberation. At the same time, as the product of commodity economy, popular culture is dominated by market mechanism and produced for profit, and its consumption shows vulgarization and entertainment. In the operation of popular culture, mediocre things are regarded as trendy, fashionable and profound and lofty things are regarded as outdated. The phenomenon of kitsch in cultural production and consumption is becoming more and more serious, and cultural consumption excessively pursues the popularization of interest, thus breeding people's shallow and vulgar entertainment needs. It is precisely because of the duality of the practical function of popular culture that the influence of popular culture on the growth of teenagers also has duality-both positive and negative effects coexist. This dual influence of popular culture on the growth of teenagers is mainly manifested in the following three aspects:

(A) the impact of popular culture on young people's outlook on life 1. The entertainment function of popular culture endows teenagers with optimistic outlook on life, broad living space and colorful life colors.

The diversity of popular cultural and recreational activities endows young people with an optimistic outlook on life, makes them forget their troubles in entertainment, provides a relaxed and harmonious living environment for young people and enriches their life colors. According to the author's investigation, listening to music tapes and participating in other activities (such as running, playing other ball games, games, etc. ), listening to CDs, watching movies, watching VCD at home, using the computer (but not playing games), watching videos at home, playing football, etc. They are all activities with high participation, and popular culture provides a broader living space for teenagers. Various cultural websites and virtual online worlds provide more communication opportunities for teenagers, especially electronic life has become the fashion pursued by teenagers, and it is on the rise. The computer and online world are very attractive to teenagers. For teenagers, the most important thing is not a channel for information collection, but more a way to make friends and entertain.