Two-month-old babies are toddlers and there are many possible causes of nausea and vomiting. Physiological vomiting is commonly caused by improper feeding, but it can also be caused by pathological factors such as digestive tract diseases and respiratory system diseases. Because babies suffer from various diseases are mostly reflected in digestive symptoms, such as refusal to eat, vomiting, etc., and the baby can not oral, you need to promptly seek medical advice, a clear diagnosis, according to the different causes to take appropriate measures to avoid delaying the disease. A, physiological vomiting two months of the baby’s stomach is immature and shallow, feeding too much, too fast, feeding utensils deep into the baby’s throat too much, or after feeding milk without burping, can lead to nausea and dry vomiting, and even overflowing milk. Parents need to pay attention to a reasonable diet, eat less and more meals, while paying attention to feeding methods. Second, pathological vomiting 1, digestive system diseases: such as indigestion, acute gastroenteritis, viral hepatitis, etc. can cause nausea and dry vomiting in two-month-old babies, congenital and acquired gastrointestinal obstruction can also lead to nausea and dry vomiting in babies, such as digestive tract lumen narrowing dysplasia, intussusception, etc.; 2, respiratory system diseases: such as acute upper respiratory tract infection, pneumonia, whooping cough, will lead to muscle contraction due to coughing. This can lead to nausea and vomiting; 3. Central system diseases: such as encephalitis, brain abscess, intracranial hemorrhage, resulting in increased intracranial pressure, leading to nausea and vomiting; 4. Vestibular factors: vestibular dysplasia in the ear, making the baby feel vertigo, which can lead to nausea and vomiting.