(1) Original advertising period: It was not until John Gu-Tengberg invented typography in M50 that advertisements began to appear. During this period, it was mainly oral hawking, and gradually evolved into a text mark.
(2) 1450- 1850, the gestation period of world advertising: lead movable type printing made human advertising spread into the era of printing advertising, and created a new era of advertising. But at this time, the circulation of newspapers and periodicals is small and its influence is limited.
(3) From 1850 to 1920, modern advertising changed to modern advertising: new technologies were widely used, advertising forms were rich, and the world advertising center turned to the United States.
(4) Since1920, new advertising media have emerged one after another and entered the modern development period of advertising.