The difference between iron-headed cabbage and flat-headed cabbage is mainly in shape, distribution range and characteristics. Cabbage is short and strong, with annual stems fleshy, unbranched, green or grayish green, and spherical leaves. The shape of Chinese cabbage is green or gray-green, and the top of the leaf ball is sharp and similar to a heart. Cabbage is mainly distributed in spring, summer and autumn in northeast, northwest and north China, while cabbage is mainly distributed in northwest and planted in Hohhot, Inner Mongolia Autonomous Region. The main characteristics of head cabbage are strong cold resistance, not easy to pull vines, concentrated maturity, tender leaves, less fiber and less water, while the main characteristics of head cabbage are cold resistance, disease resistance, strong adaptability, easy storage and transportation, high yield and good quality.