户外媒体无疑是所有广告媒体中最早出现的,但在过去相当长时间里,户外媒体都没受到足够的重视和尊重,尤其是新闻界的人士,甚至都没有把它当作媒体来看待,只把它当作一种广告形式而已。而广告主也只是把户外广告当作一种补充和点缀,并没有进行过多的关注和研究,也没有寄予太高的期望。甚至是从事户外广告的人,也觉得自己干的是广告界的“简单粗活”。但是进入了90年代中期之后,户外媒体忽然在全世界都进入了一个迅猛发展的时期,仿佛在一夜之间,广告主和投资者都发现了户外媒体的价值要比他们想象的要高。在人口稠密的亚洲 Outdoor media is undoubtedly the earliest of all advertising media, but in the past quite a long time, outdoor media have not been given enough attention and respect, especially those in the press, do not even consider it as the media, only Think of it as a form of advertising. And advertisers just outdoor advertising as a complement and embellishment, did not carry too much attention and research, nor placed too high expectations. Even those who are engaged in outdoor advertising, they also feel that they are advertising the “simple and crude ”. However, after entering the mid-90s, the outdoor media suddenly entered a period of rapid development all over the world. As if overnight, advertisers and investors found that the value of outdoor media was higher than they thought. In densely populated Asia