Hollow cabbage is also known as wengcai, empty tube vegetable, water spinach, cold, sweet flavor, to the lung, intestinal meridian. Efficacy: cooling blood and clearing heat, diuresis and detoxification Applicable to the crowd: the empty cabbage and sugar together with hot water after pounding to eat can be used for nosebleeds; add water decoction and add sugar can be used for sores, rashes and other people. Nutritional value: Cabbage contains more vitamins, trace elements and a certain amount of protein, dietary fiber and other components. Serving method: suitable for fried or boiled soup. Precautions: It is not suitable for people with weak spleen and stomach and unformed stool to eat more. In the case of daily consumption, the food efficacy is limited and cannot play a role in treating diseases. If there is any discomfort, please seek medical advice to avoid delay.