The basic function of modern illustrations is to convey the information to the audience in the most concise, clear and clear way, to arouse their interest, to try to convince them of the content delivered, and to be willing to accept the content of the propaganda in the process of aesthetics, to induce them to take the final action.

The illustrations show vivid and specific product and service images that convey information intuitively. In order to stimulate consumer interest, enhance the persuasiveness of advertising, strengthen the appeal of goods, and stimulate consumer desire.

As a form of visual art, illustration design, as part of practical art, has its own aesthetic characteristics.