Bitter cabbage is a food and there is no contraindication as well as side effects of food, but people who are allergic to bitter cabbage should avoid eating it. Bitter cabbage is a kind of food, belongs to vegetables. Every 100g of bitter vegetable contains 85.3g of water, 2.8g of protein, 19.0mg of vitamin C and a variety of trace elements, appropriate to eat bitter vegetable can meet the body’s nutritional needs. Eating vegetables can only provide the body with the nutrients it contains, and can not play any effect, there is no role and side effects of this statement, so the bitter vegetable has no side effects. However, it should be noted that some people may be allergic to bitter vegetables, after eating bitter vegetables, skin itching, rashes and throat edema and other allergic symptoms, such people can not eat bitter vegetables. It is recommended to pay attention to the rationality of the diet, to ensure a balanced diet, to avoid too single diet.