Newborn spitting up can be seen in physiological phenomena, pathological conditions (such as neonatal pneumonia, etc.), the treatment needs to be based on the cause of the decision, such as improper feeding needs to pay attention to the feeding method. 1. Physiological phenomenon: the newborn’s digestive system is not well developed, the esophagus and cardia sphincter function is weak, the stomach is horizontal, coupled with improper feeding, easy to spit up, need to pay attention to the feeding method, try to ensure that the amount of appropriate breastfeeding and breastfeeding speed, burp after breastfeeding, with the baby’s age, the function of the digestive system is gradually improved, spitting up can gradually disappear. 2. Pathology (1) Neonatal pneumonia: often caused by bacterial infections, babies may spit up frequently, moaning, spitting or poor milk intake, etc., and need to be actively treated with antibacterial drugs (such as cefotaxime) anti-infective and other treatments. (2) Neonatal necrotizing small bowel colitis: frequent spitting up, accompanied by diarrhea, abdominal distension, bloody stools, poor mental response. Treatment requires dietary abstinence, active use of antibacterial drugs (such as cefotaxime) anti-infection and rehydration therapy, and surgery if necessary. (3) Congenital hypertrophic pyloric obstruction: it may show spitting up or even projectile vomiting, which needs surgical treatment. Newborns with frequent spitting up or other abnormal symptoms are advised to consult a specialist for evaluation and treatment. The above medications should be used under medical supervision.