Vitamin D3 is mostly in the form of vitamin D drops, and the method of feeding babies can be referred to as follows: After opening the tip of the drops, drop it into the baby’s mouth. Specific dosage and treatment should be strictly in accordance with the doctor’s instructions, to avoid blindly taking, to ensure that the baby to take safety. Vitamin D3 is a fat-soluble vitamin, which has an important effect on the growth of baby’s bones and the metabolism of calcium and phosphorus. Vitamin D deficiency in babies is prone to rickets, osteoporosis, excessive sweating, and infantile convulsions, etc., posing a threat to the health of babies. When parents give their babies vitamin D3, you can cut open the drops directly into the mouth, try to choose to take after feeding or breastfeeding at the same time, so as not to take vitamin D3 in the state of fasting syndrome, so as not to lead to gastrointestinal tract overburden, not conducive to the full absorption of the drug. It is recommended to strictly follow the instructions of the doctor or pharmacist to use the drug, to ensure the safety of the baby’s medication.