Snack is a kind of food with special taste, which can be used as an ornament between banquets or as the main food for breakfast and dinner.
Snacks made with local materials can highlight the local material culture and social lifestyle, which is an indispensable feature of a region and the "main object" for homeless people to miss their hometown.
There are local specialty snacks all over the world, which change according to local customs, with distinctive features and unique flavor. Modern people usually don't eat snacks to satisfy their hunger. Besides satisfying their desires, they can also learn about local customs by tasting snacks with different local flavors.