Hiccups in babies from breastfeeding may firstly be caused by physiological factors such as immaturity and improper feeding. Secondly, it may also be caused by intestinal obstruction and meningitis. 1. Physiological factors: the general baby is small when the nerve center is not well developed, some babies may hiccups when the diaphragm is stimulated when eating milk. In addition, the baby swallowed a lot of air when eating milk or crying when eating milk, may also cause hiccups. These are normal symptoms and can be left untreated. 2. Intestinal obstruction: Intestinal obstruction may be caused by intestinal torsion, intussusception, intestinal inflammation and other reasons. Patients will have symptoms such as abdominal distension, abdominal pain, vomiting, and stopping defecation and gas evacuation. As the abdominal cavity of patients with intestinal obstruction is distended, this will lead to an increase in intra-abdominal pressure, and the patient will have diaphragmatic elevation, which will lead to diaphragmatic spasm, and ultimately, the patient will have the performance of hiccups. 3. Meningitis: Meningitis can lead to diaphragmatic spasm, at this time the patient will not only have hiccups, but also fever, headache, projectile vomiting and other manifestations. Therefore, babies with meningitis will have hiccups at breastfeeding. 4. Other: baby hiccups may also be caused by reflux esophagitis and so on. The baby hiccups, there may be other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.