There is no most effective way to pacify a frightened infant. Generally, it can be relieved through physical communication with the infant and diversion of attention. 1. Physical communication: when the baby is frightened and crying, parents can use their hands to knead the baby’s head, neck, limbs and other parts of the body, but also can use language to pacify. 2. Divert attention: you can take the baby out, go to some novel places or play with toys, etc., to divert attention to help relieve the baby’s crying discomfort symptoms, but the time should not be too long, and try to avoid going to overcrowded, noisy public places. As you can see, there are a lot of ways to relieve the baby’s surprise, but if the surprise is very serious discomfort, it is recommended that timely medical treatment under the guidance of a doctor.