(In modern society, commercial illustration is the product of the combination of art and commerce. Whether it is drawing with traditional brush tools or new computer drawing, due to the different degrees of modern media, television and computers, people's thinking has changed at different levels. With the development of the economy, with the development and update of computer technology , the communication between illustrations and people is becoming more and more extensive, and the forms of commercial illustrations will become more and more abundant, penetrating into a wider range of commercial fields.)