Online video in China has been developing rapidly in 2013.As its industrial scale and user scale improved，the whole online video industry has become gradually mature.The market structure of the online video market has got further improved simultaneously.And the market share of copyright distributors and value-added services has also increased gradually.Since the emerging of online video acquisitions，market has been optimized.UCG （user content generate） and PCG （professional content generate） had become important sources of network video，which led to the promotion of diversity and clarity of video content.In addition，user involvement becomes higher and user experience becomes better.It has been a tendency that online video has become a social tool.With the increase of subscribers in mobile terminals，the total browsing time of network video is also rising.The unified standard SDK has been established in 2003，which makes the monitoring results of network video advertising more precise.The combining of advertising platform and demand-side platform has brought a new development to online video advertising.The development of HEVC （H.265） and AVS2 video encoding technology provides technical support to the ultra-clear video transmission.With the acceleration of 4G commercial process and the expansion of mobile broadband penetration and the network coverage area，mobile network video will get rapid development.