The network advertisement (fifth AD) and four traditional media (newspapers, magazines, TV, radio and outdoor advertising) compared with the once popular, Internet advertising is richly endowed by nature advantages, is an important part of the implementation of the marketing strategy of modern media. Internet is a new advertising media, the fastest spread, the effect is ideal, it is a good way for SMEs to expand and expand, especially for companies with extensive international business.

The online advertising market is growing at an alarming rate, and the effectiveness of online advertising is becoming more and more important. Even the advertising industry believes that the Internet will overtake street signs and become the fifth major media after the traditional four major media (television, radio, newspapers, magazines). As a result, many international advertising companies have set up a special "network media division", in order to open up a huge market for online advertising.