To explore the methods of color application in food packaging design, provide more ideas for designers to optimize food packaging design, make food design more unique, and effectively attract more consumers' purchasing desires, increasing product sales. Using case study method, taking McDonald's, Jinshunchang, and Nongfu Spring as simple cases, starting from the function of color elements in food packaging design, this paper discusses six strategies for effectively using color elements in food packaging design. When using color in food packaging design, it is necessary to pay attention to the overall coordination of color elements in food packaging design, fully consider the symbolic use of color in food packaging design, fully utilize color combinations and conflicts to enhance the visual impact of food packaging design, fully consider the emotional expression of color in food packaging design, and fully leverage the role of traditional culture in food packaging color design, Design by combining color with the product connotation of food.