Infants need to try to go outdoors to sunbathe properly to replenish calcium when the temperature is suitable and the air is good. Parents can be in the temperature is warm and suitable, the weather is good, take the baby to the outdoors to sunbathe, but do not accident Hua Bei too long, usually about half an hour is appropriate. It should be noted that in the sun do not give the child to wear too much, to avoid blocking ultraviolet rays. It is recommended to try to bare baby skin sunbathing, help promote calcium absorption. In addition, when sunbathing, pay attention to cover the baby’s eyes and face, and do not choose to go out in the sun when the sun is shining, so as not to cause sunburn. It is generally not recommended that infants sunbathe in the house through the glass, because the glass leads to ultraviolet rays can not be absorbed by the body, and thus can not play a role in calcium supplementation. Appropriate sun exposure for infants is one aspect of calcium supplementation. If the calcium deficiency is serious, it is necessary to consult a doctor in time and follow the doctor’s instructions to use medication to treat the deficiency.