Adults meals have vegetables daily intake of at least 300-500g. Vegetables are one of the essential foods in people’s daily diet, vegetables are rich in cellulose, the human body can not absorb carbohydrates, mainly composed of plant fiber, pectin, mucus and lignin. It also contains a large amount of carotene and vitamin K, which plays an important role in meeting the demand for micronutrients in the human body. Vegetables can be eaten in a variety of ways, and most of the nutrients needed in life can be provided by vegetables. It is best to eat a little bit of vegetables at every meal to be healthy. But pay attention to the principle of moderation. In addition, increasing the intake of vegetables in moderation is good for health, but a balanced diet is still recommended. In daily life, a balanced diet includes cereals, fruits, vegetables, livestock, poultry, eggs and milk, soybeans, nuts and fats. Try to avoid eating a single diet, otherwise it may lead to nutritional deficiencies in the body.