A vegetable refers to a plant or fungus that can be cooked into food. Vegetables are one of the essential foods in people's daily diet.

2. The common classifications are botany, edible (product) organs and agrobiology. Although there are about 20 families of vegetables widely cultivated in China, some common species or varieties are mainly concentrated in 8 families, namely Cruciferae, Umbelliferae, Solanaceae, Cucurbitaceae, Leguminosae, Liliaceae, Compositae and Chenopodiaceae.