全世界一半以上的儿童死亡与营养不良有关。营养不良严重影响儿童的身心发育 ,并危及家庭乃至整个社会的生存能力。造成这种生存危机的原因复杂而且微妙 ,各种原因之间彼此联系并且相互作用。本文对营养不良造成的生存危机和引起该生存危机的因素及控制方法 ,从三个层次 ,即 :个人层次 (直接原因 ) ,家庭层次 (间接原因 )和社会层次 (基本原因 )进行了综述 More than half the world’s children are dead and malnourished. Malnutrition seriously affects children’s physical and mental development and endangers the viability of families and even society as a whole. The reasons for such a crisis of existence are complex and subtle, and the various causes are interrelated and interact with each other. This article reviews the survival crisis caused by malnutrition and the factors that cause the crisis and the control methods from three levels: individual level (direct cause), family level (indirect cause) and social level (basic reason)