Newborn tummy discomfort need to identify the cause, may be indigestion, gastritis, mesenteric lymphadenitis, etc., need to be under the guidance of the doctor for targeted treatment, such as medication. 1. Indigestion: Considering the indigestion caused by improper feeding of parents and the discomfort caused by the stomach, the newborn’s mental state is good, you can take probiotics, such as bifidobacteria to regulate the environment of the intestinal tract, which can help to alleviate the discomfort. You can also promote intestinal peristalsis through abdominal massage to help digestion. 2. Gastritis: It may be related to improper diet, infection, food allergy, medication, systemic diseases, etc. Children with gastritis often show symptoms such as loss of appetite, abdominal pain, nausea and vomiting. Acid-suppressing drugs such as omeprazole or gastric mucosal protectants such as aluminum phosphate gel can be taken as appropriate to help relieve the symptoms. 3. Mesenteric lymphadenitis: it can often cause digestive discomfort symptoms, such as abdominal pain, vomiting, diarrhea, etc. Probiotics such as Bifidobacterium bifidum, Listeria monocytogenes, etc. can be used, which can help regulate the intestinal function and alleviate the discomfort symptoms. There are many causes of stomach discomfort in newborns, such as appendicitis, enteritis, etc. Parents are advised to bring their children to the doctor in a timely manner for standardized treatment, and not to blindly give the children medications. The above medications should be used in accordance with medical advice.