The efficacy of Chinese kale: 1, can benefit the lung exclusion of phlegm, for the wind-cold attack on the surface of the cold drink, cough, cough, phlegm, phlegm stagnation, chest and diaphragm full of tightness, if appropriate to eat Chinese kale has a very good lung exclusion of phlegm efficacy. 2, can be eliminated to dissipate the knot for the gums, carbuncle, hemorrhoid, frostbite of the people, if appropriate to eat Chinese kale has a very good swelling to dissipate the knot efficacy. The contraindication of kale head is from the perspective of Chinese medicine dietary therapy, kale head flavor pungent, warm, for yin deficiency fire people, such as hemorrhoids, sore throat, red eyes, mouth ulcers is not suitable for people to eat kale head.