Different nutritionists explain the edible part. Broccoli and cauliflower are relatives of each other, both belong to Brassica of Cruciferae, and have the same ancestor. Usually broccoli is the part of bud, while cauliflower is undifferentiated tissue. Although they look alike, people eat in completely different places.

Broccoli is a biennial herb, native to the eastern Mediterranean coast. There is a small amount of cultivation in China. Mainly used in western food to make orchids rich in nutrients, including protein, sugar, fat, vitamins, carotene and so on. Its nutritional components rank first among similar vegetables, and it is known as the "crown of vegetables".

Cauliflower is also called cauliflower, cauliflower, cauliflower, cauliflower and broccoli. There are two kinds of white and green, and the green ones are broccoli and broccoli. The nutrition and function of cauliflower and cauliflower are basically the same, and the carotene content of cauliflower is higher than that of cauliflower.