11-month-old baby vomiting is common in the following cases: 1, digestive system diseases, such as indigestion, acute gastroenteritis, etc., in addition to vomiting, mostly accompanied by an increase in the nature and number of stools, accompanied by abdominal pain, loss of appetite, etc., will be significantly improved after giving digestive drugs and anti-infective treatment. 2, central nervous system diseases, baby vomiting obvious, depressed or irritable, such as the presence of intracranial tumors or intracranial hemorrhage, when The intracranial pressure is increased and vomiting is jet-like, it is necessary to go to the hospital in time and perform cranial CT for clarification if necessary. 3, surgical diseases, in addition to vomiting, are often accompanied by abdominal pain, abdominal distension and no stool.