Broccoli is a brassica plant of the Brassicaceae family, which is rich in protein, carbohydrates, fat, minerals, vitamins, carotene and other nutrients. It is one of the top ten global health foods recommended by time magazine and well-known as the 'crown of vegetables'. Broccoli originated from the eastern coast of the Mediterranean. It was introduced into China in the 19th century. But due to the low yield, it was not planted widely until the 1980s. Broccoli is a kind of vegetables with complete nutrients. The traditional edible parts are green buds and flower diameter. However, recently, scientists have found that broccoli is a treasure during all stage from seed to maturity. According to the growth stage of broccoli, it can be divided into seed age, sprout age and floret age. But the first thing we understand is the broccoli florets, then the broccoli seeds and the broccoli sprouts.