When the three-month-old baby has symptoms of fright, the specific symptoms are as follows: First, there will be changes in appetite, there will be less milk to eat, or do not like to eat milk, or after eating milk, nausea, vomiting, or easy to appear digestive tract abnormalities, abdominal distension, diarrhea and other phenomena occur. Second, the child’s mental state may not be good, may not like to play, or in the waking state, sometimes there are crying phenomenon. Third, there will be changes in sleep, the baby will not sleep well, sleep time is relatively short, normal may sleep about 4 hours, in the presence of fright, may sleep 1-2 hours will wake up, while sleep may be crying after the phenomenon occurs. Parents can give chiropractic treatment to the spinal points on the back when there are symptoms of fright, and continuous treatment for about 1 week will lead to significant improvement.