In 2021，the total number of TV viewing fell，and the number of entertainment programs picked up，TV dramds，news，variety shows and Life service programs have a large share of the audience. The home listening of radio dropped，the car listening rebounded，News，trocffic and music broadcast channels are more competitive. This paper studies the viewing and listening data of all surveyed cities in 2021 through CSM Media Research，looks back on the radio and television market in 2021，and briefly describes the changes and characteristics of audience，competition pattem and influencing factors for industry reference.