In 2020，under the special epidemic environment，the number of newly released original music works in China has exploded，and online music has shown new characteristics from content production to dissemination. This article systematically analyzes several development trends of online music from the perspectives of online music revenue，content production，musician development，and music marketing communication. The research found that：First，Chinese online music revenue has grown strongly；second，the scale of content production continues to expand；third，the number of musicians has increased，and the music industry has entered the original generation Z；fourth，short videos have become the core mode of music dissemination；fifth，consumption scenarios such as film and television，games，etc. use music to stimulate the resonance of consumers.