2. Chinese cabbage with green hemp leaves is a kind of Chinese cabbage native to Tianjin and Hebei coastal areas. From the appearance, the leaves of Chinese cabbage with green hemp leaves are wrinkled like walnuts, which expands the photosynthetic area and increases the photosynthetic efficiency. The bulbs are green and thin, beautiful and commercialized. Four season Chinese cabbage is a common edible vegetable in Cruciferae and leafy vegetables. Chinese cabbage is native to China. Brassica in Cruciferae, Chinese cabbage is a cultivated plant of Brassica, and its stems and leaves are edible and slender than Chinese cabbage. There is also a kind of doll dish, which has the same shape as Chinese cabbage, but its size is only a quarter to a fifth of that of Chinese cabbage. It is similar to the "simulated miniature version" of Chinese cabbage, so it may be called doll dish.