Among Taiwan's natural resources and products, the special natural environment has given birth to many species of Taiwan's endemic animals and plants. We hope to promote natural ecological conservation through this course to protect Taiwan's precious animal and plant resources. In the course of visual arts, by understanding the traditional art of printmaking, we understand that printmaking has the characteristics of indirectness, plurality, and portability, and can repeatedly produce the same image. The image presentation goes through content design, letterpress engraving, and final printing. The course Through his own ingenuity, his understanding of Taiwan's unique species of animals and plants can finally be presented in the prints. Beautiful prints, if they can be explained with appropriate words so that viewers can better feel the author's intentions, then that will be the most perfect ending. It is hoped that by holding or visiting a printmaking exhibition, the results of printmaking will be presented in the exhibition, and how to use text explanations to accompany the works. However, in terms of the expression of words, Chinese course arrangements are also needed, such as how to use words to express emotions about colors, the importance of the protagonist in the image composition, the functions and characteristics that are different visually and in life, etc.