Vomiting in two-month-old babies is relatively common because babies are relatively small, the sphincter located between the esophagus is not well developed, and the stomach is in a transverse position, which can lead to spitting up, which is a normal physiological situation. In addition, it may also be due to improper feeding, cold, encephalitis, gastroenteritis, intestinal obstruction and other causes, need to clarify the cause of the symptomatic treatment. Common causes and treatments 1, improper eating: eating too much can cause the baby abdominal pressure increases, vomiting, to control the amount of food, can not be fed at a time, should be a small amount of multiple feedings; 2, cold: do not pay attention to warmth leads to cold, so that breast milk is not easy to digest, it is recommended that babies do not feed the cool milk and inhalation of cool air, pay attention to the baby’s abdominal warmth, the use of dinggui navel patch to alleviate the; 3, encephalitis: fever, headache, myalgia, vomiting, diarrhea and other symptoms. Vomiting, diarrhea and other symptoms, it is recommended that hospitalization, drugs available antispasmodic agents such as sodium phenobarbital to control convulsions, ice packs for physical cooling, etc.; 4, gastroenteritis: vomiting with diarrhea can be symptomatic, it is recommended to follow the doctor’s instructions, the treatment of probiotics such as Lactasexanthene, yeast tablets, to identify pathogens, anti-infective treatment, if necessary, dehydration, severe cases should be supplemented with water and electrolytes, and pay attention to home hygiene and environmental cleanliness; 5, Intestinal obstruction: abdominal pain, vomiting, anus stop defecation and exhaustion, abdominal distension and other symptoms, should promptly go to the hospital to identify the cause of the disease and then symptomatic treatment. Ultrasound or abdominal standing plain film examination can be done, if the diagnosis is adhesive intestinal obstruction, fasting, gastrointestinal decompression treatment is feasible, if the diagnosis is strangulated intestinal obstruction, surgery should be performed as soon as possible.