Infant hernia has inguinal hernia, umbilical hernia and so on, the common symptom manifestations are crying, lumps, developmental delay and so on. 1. Crying: most hernias do not have autonomous symptoms, when the hernia sac will continue to grow, and the possibility of incarceration and strangulation can occur, the intestinal tube can not be returned to the intestinal tube ischemic necrosis and other serious complications may occur, which will lead to increased abdominal pain, the baby cried more than the phenomenon. 2. Mass: when the baby coughs hard, crying and other intra-abdominal pressure increases, the hernia contents can pass through the weak parts of the body into another part, the naked eye can see a mass, disappear on their own. 3. Developmental delay: when an infant has a congenital diaphragmatic hernia, a defective diaphragm causes the abdominal contents to protrude into the chest cavity, which can lead to respiratory and circulatory symptoms such as vomiting, coughing, difficulty in feeding, poor absorption, resulting in the baby’s weight does not increase or decrease in the phenomenon. When the above suspicious phenomenon occurs in infants, it is recommended to take the infants to the hospital for relevant examinations in a timely manner, and after clarification, standardize the treatment under the guidance of the doctor.