Moderate consumption of bitter greens is generally not particularly harmful, but prolonged excessive intake may irritate the gastrointestinal tract and affect digestive function. Bitter cabbage has a high water content of 85.3%, carbohydrates accounted for 10.0%, because it contains vitamin E 2.00mg/100g, and contains selenium 0.50μg/100g, vitamin E and selenium have antioxidant effects. Bitter cabbage also contains vitamin C, thiamin and potassium, calcium, iron, magnesium and other minerals, the human body mineral supplementation is also beneficial. However, bitter vegetables contain bittersweet, long-term eat too much may stimulate the gastrointestinal tract, affecting the digestive function. Bitter cabbage is a vegetable, the nutritional value of different fruits and vegetables varies greatly. Should choose a variety of vegetables, with each other, in order to achieve food variety, healthy diet.