The developing huge user market and the Internet industry by leaps and bounds provides a huge space for the internet advertising improvement in China. The scale of China’s internet advertising market is 3000 billions，and makes up 42.88% of the size of the national advertising market. Mobile ad is the development trend of network ad，information stream ad is becoming a new form of Internet ad for advertisers. BAT and Blue focus etc. lead the development direction of China’s network ad，and are making ad monetization the development trend of ad technology ecosphere by accurate propagation through algorithms. The development trend of Internet ad internationalization and digital transformation actively explores overseas market for online advertising. The phenomenon of serious illegal ad and false hits are making the hollow，false ad network，and ad supervision and governance is very difficult on the way.