13cm× 18cm，
19 cm× 25 cm,
30cm×42cm，
42 cm x 57 cm,
50 cm x 70 cm,
60 cm x 90 cm,
70cm×100cm.
Common sizes are
42 cm x 57 cm,
50 cm ×70 cm.
Poster design is one of the manifestations of visual communication, which attracts people's attention at the first time through the composition of the layout and gets instant stimulation. This requires designers to combine the elements of picture, text, color and space completely and show people the propaganda information in an appropriate form.
The name poster originated in Shanghai. The word poster has evolved to 20 13, and its scope is not only a special poster for professional drama performances, but also an advertisement, because it, like advertisements, has the characteristics of introducing an object and an event to the masses. Poster is a very common form of poster, which requires concise language and novel and beautiful form.
Extended data
Composition skills, in addition to the contrast skills in color application, need to learn and master, but also need to consider several contrast relationships.
(1) Comparison of composition skills.
(2) Comparison of composition skills.
(3) Contrast the density of composition techniques.
(4) Dynamic and static contrast in composition techniques.