After the 4-month-old child is frightened, parents should promptly carry out soothing, verbal communication and other ways to relieve. 1. Parents to pacify: when the child has a frightening performance, parents should be next to the child to pacify, can be used to gently pat the child, the child to touch the way, so that the child has a certain sense of security, but also in the child’s room to play soothing music to soothe the emotions. 2. verbal communication: when the child is frightened, parents can more with the child to communicate verbally, the parent’s voice will make him feel safe. Note that the 4-month-old child was frightened to be reasonable appeasement, and should be under the guidance of the doctor’s advice to carry out.