In 2020，a sudden epidemic broke the normal operation of society and also affected the development of online music in China. The epidemic accelerated the digital transformation of the music industry. In terms of the macro environment，the online music policy continues to be positive，the copyright protection mechanism is further improved，and emerging technologies promote online music innovation，forming an influential and competitive music industry cluster. In terms of music creation，the epidemic has aroused the enthusiasm for music creation of the whole people，who have created anti-epidemic songs and music，inspiring and warming everyone to work together to fight the epidemic together. As a result，the power of music creation has been strengthened. In terms of market operations，home life has caused an explosive growth in network traffic. “Cloud Recording”，“Cloud Live Broadcast”，and “Cloud Music Festival” provide online music entertainment activities to make up for the depression of offline operations，and at the same time expand the online music market. In the online operating space，new forms and models of music programs have emerged. The application of new technologies such as artificial intelligence provides conditions for the innovative development of online music，and the scale of online music users continues to expand.