The most basic difference between poster illustration and illustration is in the field of modern design. Illustration design can be said to be the most expressive, which is closely related to painting art. Many expressions of illustration art draw lessons from painting art. The marriage of illustration art and painting art makes the former make great progress in exploring the diversity of expression techniques and in the depth and breadth of design theme expression, showing more unique artistic charm and thus more expressive. In a sense, painting has become a basic discipline, and illustration has become an applied discipline. Throughout the history of illustration development, its application scope is constantly expanding. Especially today, with the rapid development of information, people's daily life is full of all kinds of commercial information, and illustration design has become an irreplaceable art form in the real society. Posters, also known as "posters" or "posters", belong to outdoor advertisements and are distributed in streets, theaters, exhibitions, business districts, stations, docks, parks and other public places. Street art is also called "instant" abroad. Compared with other advertisements, posters have the characteristics of large screen, wide content, rich artistic expression and strong foresight. Probably for us who study design. Mention advertising. I'm afraid the first thing that comes to mind is the poster. 1. The big picture poster is not designed to be held in your hand, but should be posted in a crowded place. It is disturbed by the surrounding environment and various factors, so it must be presented to people with a big picture, outstanding images and colors. Its pictures are full open, folio, long three open and extra large (eight open). ) .2. Strong farsightedness in order to impress people who come and go in a hurry, except for a large area; Poster design should also fully embody the principle of positioning design. With a distinctive trademark and logo. Headlines, graphics, contrasting colors, or a large blank and concise visual process become the visual focus. If we distinguish advertising from other visual arts in form, posters can be said to be more typical advertisements. 3. High artistry As far as posters are concerned, they include all kinds of commercial and non-commercial advertisements. As far as each poster is concerned, it is highly targeted. Commercial commodity poster notes are expressed in the form of artistic photography, realistic painting, comics, etc., leaving consumers with real touching pictures and humorous feelings. Non-commercial posters have a wide range of contents, various forms and rich artistic expression. Especially cultural and artistic posters can give full play to their imagination and artistic means according to the advertising theme. Many painters who pursue formal beauty actively participate in the design of posters, and use their own painting language to design posters with different styles and forms. Many modernist painters' works appear in the form of posters, leaving many wonderful anecdotes and vivid paintings in the history of art. What is poster illustration? Illustration means that you draw the outline of your work on drawing paper or drawing board, draw other parts of your work on other drawing paper, cut paper and paste them on the original painting of your work, which is called illustration advertising design, poster design and poster design. Is it the same? What is the difference? Different, the scope involved is also different. Regarding advertising design, we need to think more about advertising design, more about time poster design, and generally consider commercial value. Posters are generally used in the field of product promotion, and illustrations generally belong to the art field.