Repeated vomiting after the birth of the baby, so that many mothers and fathers are very worried, in fact, this is mainly because the baby is divided reluctantly when the inhalation of the mother’s amniotic fluid, blood, mucus caused by the clinically known as neonatal hypopharyngeal syndrome. Pharyngeal syndrome refers to the process of delivery of newborns swallowed too much amniotic fluid contaminated by feces or bacteria, mother’s blood or vaginal mucus secretions, stimulating the gastric mucosa, resulting in hypersecretion of gastric acid and mucus caused by vomiting in newborns. Symptoms: Vomiting often begins after birth before breastfeeding, and the vomit is foamy and mucus-like; when the amniotic fluid is contaminated with meconium, it can be green, and if the amniotic fluid is bloody, the vomit will be a coffee-colored blood-like substance. Vomiting is often aggravated after the start of breastfeeding, and vomiting occurs after milk intake. However, the general condition is normal, without choking and coughing, and without symptoms such as cyanosis. Treatment: Mild symptoms can be normal breastfeeding, generally do not need special treatment, should pay attention to the child’s right side slope position (you can put the baby’s entire upper body cushion in the adult pillow), so as to avoid inhalation and relief of symptoms of vomiting, small amount of multiple feedings, when swallowed liquids spit out, 1 to 2 days of spontaneous healing. In severe cases, the child is unable to breastfeed normally, and nausea and vomiting symptoms will occur once the baby is fed, which may induce hypoglycemia and electrolyte disorders, in which case fasting and intravenous nutritional support should be given.