Most of the hazards of preservatives to children are manifested in the case of long-term consumption, which may easily lead to the physical development of children being affected, such as bones, muscles, nervous system and so on. Preservatives are usually added to the food is a certain safety standard, children occasionally eat a small amount will not have obvious harm, a long time intake of preservatives will be easy to cause children’s nervous system, bones and other aspects of the damage, showing dizziness, headache, inhibit bone growth, etc., is not conducive to children’s physical health. It is recommended that parents usually choose food for children, to safety and health-oriented, try to avoid eating food containing preservatives, to green, nutrient-rich food, to avoid the stimulation of undesirable factors, interfering with the normal growth and development of children.