how to design catering products? The design of catering can improve people's appetite, enhance appetite, and bring spiritual pleasure and beautiful enjoyment to people's lives. Nowadays, the development of catering industry can not only stay at the level of simple commercial products, but also have its own unique cultural characteristics. A good brand vi design can make the whole brand unique and individual, and the quality of vi design can make people easily distinguish it, make people have a clear memory, and occupy a place in the whole market. Therefore, the advantages and characteristics of the product itself must be fully displayed in vi design. A good product should not only have a unique design language, but also have good interactivity.