Children with blue lower eye bags may be caused by heredity, sleep deprivation, eye trauma and so on. 1. Heredity: If it is congenital hypertrophy of the orbicularis oculi muscle or the area around the eye bags under the eyes is green or dark, generally does not have an effect on the organism, can not be treated. 2. Lack of sleep: If the child stays up late for a long time, lack of sleep, excessive worry, it may lead to the slowing down of blood flow in the blood vessels of the eyes, thus making the local blood flow stagnation, and the localization will appear the performance of the bluish color. 3. Eye trauma: if the child’s lower eye bags trauma or lead to local capillary rupture, thus making the lower eye bags green. 4. Other: the child’s lower eye bags blue may also be malnutrition, allergic conjunctivitis and other causes. For heredity or lack of sleep caused by the child under the eye bags green can not be treated, if it is caused by lack of sleep under the eye bags green, usually in the child to ensure that enough sleep after the symptoms will be relieved. If it is caused by a disease, you need to consult a doctor and follow the doctor’s instructions.