Popular music is an attractive music with a wide audience, compare with art music stations and traditional music. Pop music is a kind of music enjoyed by everyone regardless of age, which is commonly known as "appreciation of elegance and vulgarity". The difference between pop music and other mass media is mainly that pop music has six characteristics: 1. The novelty of pop music is the popularity or fashion of pop music. Novelty is a prominent feature of all popular things, and curiosity is a feature of human psychology. Pop music, as a kind of commercial entertainment music mainly aimed at satisfying consumption, must be "based on a certain representative social psychology and thus can be generally accepted by the public." Attending: Pop music is based on this foundation, so it will inevitably "cause this kind of behavior and object of singing, playing, listening to a certain track or using a certain style to spread in a certain social scope, and form different degrees of social popularity and social group fanaticism." ? Popularity and fashion are the basis of pop music. 2. Entertainment of pop music The content of pop music works is easy to understand, and the themes are mostly taken from daily life. Most of them show the theme of love, and most of the subjects who accept and consume are ordinary civilians or subcultures, so it emphasizes its own entertainment and recreation. Its popularity determines that it has a mass base. People can take the initiative to participate in the performance, which increases the active space and fun, and people can relax and enjoy it. Therefore, pop music pays more attention to and emphasizes its own entertainment, and "entertainment" is an important feature and function of pop music. 3. Commercial pop music The carrier of popular music is mainly all kinds of audio tapes and records as consumer goods of popular culture. Under the market economy, because producers are faced with a huge commodity market, they will inevitably take making profits as his ultimate goal. 4. Rapid replacement Since pop music is commercial, like other commodities, it is one of the main forms of mass cultural consumption goods, so there must be mass production characteristics, and the products are quickly introduced to meet the needs of consumers' constantly updated cultural consumption. With the constant change of popular culture demand, the change cycle of pop music is getting shorter and shorter, and then it will be quickly replaced by more fashionable and novel forms. 5. Participation in pop music The theme of pop music creation is generally based on daily life, emphasizing personal psychological feelings and self-emphasis, which is easy to arouse the emotion of college students in particular. And the melody of pop music is easy to remember and sing, which can satisfy the emotional catharsis of self and produce a sense of narcissism, thus obtaining a creative satisfaction. This makes the participation of pop music greatly enhanced. 6. The progress of science and technology in the means of communication of pop music has greatly changed the means of communication of pop music, from tapes, records, CDs and broadcasts without images at first to TV, karaoke, VCD, DVD and MTV with images, and then to portable high-tech inventions such as mp3, mp4 and MP5. The appearance of these scientific products has greatly satisfied the widespread "popularity" of pop music. The emergence of MIDI, multi-track recording technology and electronic sound synthesis technology has greatly improved the effect of pop music production and the richness of sound performance. Therefore, the expansion of the popularity of pop music can not be separated from these modern scientific and technological means of communication.