"Poster" is interpreted according to its meaning, "moving" is to guide attention, and "posting" is to post, that is, "posting for attracting attention". The English name of the poster is "Poster", which means the placard displayed in public places in the Oxford English Dictionary. In the advertising dictionary published by "International Textbook Publishing Company" in London, posters refer to printed advertisements posted on cardboard, walls, large wooden boards or vehicles, or displayed in other ways. It is the main form of outdoor advertising and one of the oldest forms of advertising.

Some people interpret the meaning of posters according to their root structure and anecdotes, and think that posters are converted from "posts", which means posts, so posters refer to all notices posted on posts.

Posters have another name in China, and no Chinese dictionary has given a special explanation to the word "poster". However, it is said that during the Qing Dynasty, foreigners parked foreign goods on seagoing ships at the coastal wharf in China, and put up posters in conspicuous places along the wharf to promote their own goods. Coastal citizens call this poster a poster. If this development continues, all posters with similar purposes and other information will be called "posters" in the future. POP means advertising at the point of sale and advertising at the place of shopping. Its function mainly emphasizes the "time" and "place" of purchase. Popular advertising is different from outdoor advertising. If a signboard is hung at the door of a retail store, it belongs to a POP advertisement. If you indicate the location of the store, it belongs to outdoor advertising. POP advertisement belongs to the media advertisement at the sales site. Sales field media is a comprehensive media form, which can be roughly divided into indoor media and outdoor media in content. Indoor media include shelf display advertisements, counter advertisements, children's advertisements, column advertisements, advertisements on the walls around shops and aerial advertisements. Outdoor media refers to various forms of advertising media in front of and around shopping places, shops and supermarkets. It mainly includes billboards, neon lights, light boxes, electronic display screens, posters, shop signs, facade decoration, windows and so on. Characteristics of POP advertisement: 1. Guiding and reminding consumers to buy brands, especially after the four major media advertised products, has played a key and most effective role in persuading consumers to buy. 2. Enterprises can publicize their image through POP advertisements and expand the popularity of shops or enterprises. 3. There is generally no time limit for indoor and outdoor advertising settings, which can be repeated for a long time, deepen consumers' impression of products, have universality and timeliness, and can play the role of silent promotion. Show the quality of products and services and their desire to buy, and promote sales. 5. Easy to understand and suitable for different classes of consumers. The difference between POP advertisement and other advertisements: 1. POP advertisement is a synthesis of advertisements in shopping places, which requires all forms to be consistent in style. 2. Considering the size of the sales site, the nature of the products, the special needs and psychological needs of consumers, 3. POP advertising requires exquisite design and high cost. 4. It should be concise, eye-catching, easy to read, focused, beautiful and distinctive. POP advertising is not a holiday decoration, the more lively the better, but should be a part of the store image. Its design and display should start with strengthening the overall image of the store and strengthen and render the artistic atmosphere of the store. 5. The distribution of indoor and outdoor advertisements should be balanced to avoid the psychological imbalance of consumers.