Statistics show that the total number of online video users increased to 975 million in 2021，accounting for 94.5% of the total netizens，but the growth rate continues to slow down. The online video market presents a trend of emerging products，accelerated exploration and application of new businesses and technologies. The number of short video users reached 934 million，an increase of 60.8 million over the previous year，accounting for 90.5% of the total netizens；the number of online live streaming users reached 703 million，an increase of 86.52 million over the previous year，accounting for 68.1% of the overall netizens. Based on the companies’ public financial reports，interviews and statistical models，the research team calculated that the market size of the pan-network audio-visual industry in 2021 will be 605 billion yuan.