China is known to have a variety of cultural heritage and the food is the typical one among them. Food takes the key position in Chinese culture, which is related to its society in various ways. Especially an idiom ‘People regards food as the Sky’ shows us their basic ideas on the food. A nation’s language contains many active words in peoples’ cultural activities, and we handle here several linguistic expressions of main and refreshment food to learn their concepts on food and its feature in the culture.