儿童正在迅速成长发育时期,如果营养不足,可以影响生长发育和健康。我国一般城市的小学生,往往是早餐匆忙进餐,不大顾及质量,有的不吃早饭就到学校。由于活动和学习,大脑及全身器官对能量的消耗,使体内血液中的葡萄糖含量降低,到上午第三节课就会出现饥饿乏力,注意力分散,影响学习效果。长期下去影响学生的发育和健康。我国自从推行学校课间加餐以来,对学生的发育和健康、提高学习效率均收到一定的成效。但是,学校 Children are rapidly growing and developing, and if undernourished, can affect growth and health. Primary school students in our country’s cities often have breakfast in a hurry and do not care much about quality, and some do not eat breakfast to go to school. Due to activities and learning, the brain and body organs of energy consumption, so that the body’s blood glucose levels decreased to the third class in the morning there will be hunger, attention distracted, affecting the learning effect. Long-term impact on student development and health. Since the introduction of the extra-school lunch in our school, our country has achieved some success in terms of the development and health of students and the improvement of their learning efficiency. But school