2. Children's vegetables are rich in dietary fiber, which can promote colon peristalsis, shorten the retention time of feces in the colon, dilute poisons and reduce the concentration of carcinogenic factors, thus playing the role of cancer prevention, and can be used to prevent and treat colon cancer, breast cancer and liver cancer; Ercai contains a glucosinolate, which can produce volatile mustard oil after hydrolysis, and has the function of promoting gastrointestinal digestion and absorption. In addition, it has a special delicious smell, which can stimulate appetite and help digestion. Children's vegetables contain trace elements such as calcium, phosphorus and iron, which can promote diuresis and dehumidification after being absorbed by human body. Promote the balance of water and electrolyte in the body, and can be used to prevent and treat the symptoms of astringent urine pain and endless dripping.