In 2018，China’s netcasting industry continued to develop，showing a trend of vigorous development as a whole. The number of network video （including short video） users reached 725 million，short video users reached 648 million，live video streaming users reached 397 million，network audio users reached 425 million，online users have a strong demand for network audio-visual. Relevant government departments have strengthened supervision，restricted violations，and promoted the standardized and healthy development of the industry. The growth rate of network audio-visual content production has slowed down，the content quality has been improved，and is developing in the direction of boutique and specialization. In each subdivision field，the head effect is significant. short video has become a new force in the netcasting industry，and it has the most obvious pulling effect on the new online users.