"Illustration design" is a basic course for undergraduates major in visual communication design. This course mainly introduces the concept, history, classification, woodcut illustration and commercial illustration design of illustration design. It requires students to master the basic modeling language and design methods of illustration, be familiar with the characteristics and expression methods of various tools, and expand the visual language of the design. To cultivate students' ability of modeling design and design expression, they can freely use illustration language to express their ideas and design ideas, and lay a good foundation for professional design and career in the future.