Cabbage is a biennial or perennial herbaceous plant in the Brassicaceae family. The lower leaves of the plant are large, with a feather like and deeply lobed large head, wavy edges, and fine round teeth. The upper leaves are oblong, with the entire margin and embracing the stem. All leaf flesh is hairless and covered with white powdery frost; The flowers are light yellow in color, with inverted petals; Long horned fruit cylindrical; Seed spherical, gray brown in color; The flowering period is from May to June; The fruiting period is from July to August. Due to its high glucose content, it has a slightly sweet taste when eaten, and its leaves are similar to the Chinese native "Polygonum blue" and are shaped layer by layer into a spherical shape, hence the name "cabbage".