After intense work in the morning or study, consumption of energy and nutrition are constantly from the breakfast, the need for timely supplement, provide the energy for the afternoon's work or study life.Therefore, lunch in the three meals a day to play the role of a bear under the rev.Lunch with energy should be accounted for 30% ~ 40% of the total energy throughout the day, in the daily energy intake of 9209 kj (200 kcal) for example, the amount of staple food should be around 125 g, can be in rice, pasta, steamed bread, noodles, cereal, bread, and corn flour steamed sponge cake, etc.) in the choice;According to the principle of balanced nutrition from meat, poultry, beans and products, aquatic products, vegetables selected several undertakes collocation, can choose 75 g of animal foods, soy or equivalent products, 20 g 150 g of vegetables, fruit, 100 g in order to make sure the lunch of vitamins, minerals, and dietary fiber intake