Formula-fed babies such as no symptoms of calcium deficiency is no need to supplement calcium, if there are symptoms of calcium deficiency can be under the guidance of a doctor in the appropriate amount of calcium supplements, specific analysis is as follows: 1. Nowadays, there is a certain amount of calcium added to the formula, if the baby’s daily milk intake is normal, then the calcium in the formula is able to adequately ensure that the baby’s daily needs, the baby’s diet, sleep, height and weight standards, usually do not need to additionally supplement calcium. 2. If the baby’s milk quantity is small, the milk intake is insufficient, turn over, sit and stand and other large movements later than the same age of the baby, or appear hand and foot twitching, poor sleep and other symptoms, parents can take the baby to the hospital for relevant examination, if diagnosed with the baby’s calcium deficiency, can be in the guidance of the doctor in the amount of calcium supplements. It is important to note that parents should not blindly give their babies calcium supplements on their own to avoid overdose of calcium, which will adversely affect the baby’s health. The medication should follow the doctor’s instructions.