Taking the packaging in the Republic of China as the research object, and taking the relevant literature as the research basis, this paper analyzes and researches the design rules of the elements such as fonts, colors, and graphic layouts in the packaging design of the Republic of China, and summarizes the rules presented by each element in the development process, and explore the reasons for its occurrence. This paper analyzes the relationship between the packaging design of the Republic of China and the modern packaging design, not only to find the origin of the development of the modern Chinese cultural elements presented in the modern design, but also to provide a certain reference for the in-depth discussion of the relevant design elements of the Republic of China in the future.