When children grow up, their diet is basically the same as that of adults, so there is no need to cook for them alone. Influenced by Western food culture, some families will choose to eat raw vegetables, or do cold dishes, or do fruit and vegetable salad, they believe that raw things are nutritious and delicious, and do a variety of ways to prevent children picky eaters. But parents should also note that some vegetables are not suitable for raw food, eat the wrong may not only cause indigestion, serious cases may even cause poisoning. 1, lentils, beans, beans – may lead to poisoning for many bean vegetables, such as lentils, beans, knife beans, etc. are not suitable for raw food, because the lentil outer saponin and beans of the red blood cell agglutinin will be strong gastrointestinal tract stimulation. When cooking beans, need to be heated and cooked to destroy its toxins, even if cold, but also at least 10 minutes with boiling water. 2, cauliflower – may cause abdominal pain, diarrhea fresh cauliflower contains a colchicine, colchicine itself is non-toxic, absorbed by the gastrointestinal tract will be oxidized to form a very toxic di-colchicine, can stimulate the gastrointestinal, dry throat, heartburn, dry thirst, abdominal pain, diarrhea and other symptoms. When fresh cauliflower is steamed and dried over, this plant alkali will be destroyed and can be eaten normally. 3, tomatoes, carrots – raw food waste of nutrition Although tomatoes and carrots can be eaten raw, but cooked to eat more help nutrient absorption. Lycopene in tomatoes and carrots are rich in beta-carotene, which are fat-soluble nutrients and are more easily absorbed by the body after cooking with oil to bring out their health benefits. Juicing is also not recommended, as this will waste the healthful dietary fiber. 4, fungus – solar dermatitis Fresh fungus contains leaf forest type photosensitive substances, after eating fresh fungus raw, it can cause solar dermatitis, severe skin itching, edema and pain. 5, sweet potatoes, yams, taro – more difficult to digest Sweet potatoes, yams, taro, potatoes and other starchy foods should not be eaten raw, because of which the starch grains do not break, the body can not digest, but also make people produce abdominal distension and other discomfort. 6, spinach, cabbage – affect calcium absorption spinach, cabbage, bamboo shoots, wild rice, etc. rich in oxalic acid, oxalic acid in the intestine will be combined with calcium into difficult to absorb calcium oxalate, interfering with the body’s absorption of calcium, resulting in calcium deficiency in the body. Therefore, when eating such vegetables even cold, you should first blanch with boiling water to remove most of the oxalic acid contained in the vegetables.