The baby was scared may be physiological factors and disease factors such as vitamin D deficiency related, should be timely consultation to identify the cause, give targeted treatment, such as timely appeasement, medication and so on. 1. Physiological factors: the baby’s nervous system is not well developed, neuromodulation is immature, if the baby noise is too loud, by a relatively strong light stimulation, etc., may be scared. Parents should be timely appeasement, take the baby away from the frightened environment, try to create a quiet and comfortable environment for the baby, eliminate the triggering factors, generally can make it recover. 2. Pathological factors: if the baby is particularly easy to be scared, may be related to vitamin D deficiency, it is recommended to immediately seek medical advice, under the guidance of the doctor to supplement vitamin D, if necessary, also need to supplement calcium treatment, such as oral calcium gluconate oral solution. Usually parents have to strengthen the baby’s care, after being frightened in time to comply with the doctor’s prescription symptomatic conditioning, the use of medication in strict accordance with the doctor’s instructions, to ensure the safety of medication.