Recurrent vomiting is usually caused by acute gastroenteritis, pregnancy, intracranial hypertension, hepatitis and other diseases, the details are as follows: 1, acute gastroenteritis: due to inflammation on the gastrointestinal mucosa, resulting in gastrointestinal spasm, contraction, followed by recurrent vomiting, bloating, diarrhea and other performance; 2, pregnancy: due to the placental development needs, so there will be a lot of secretion of progesterone and estrogen, will cause some stimulation of the digestive system, resulting in Repeated vomiting; 3, intracranial hypertension: such as meningitis, brain tumors, traumatic brain injury, etc., these diseases will cause violations of the nervous system of the brain, especially when the central nervous system of vomiting is stimulated, it will cause nausea, vomiting, mostly jet vomiting; 4, hepatitis disease: the liver is able to secrete bile to help food digestion, metabolism of toxic substances produced by the body, when hepatitis disease occurs, liver cells are damaged and Liver function is affected, so that the stomach food indigestion, accompanied by nausea, vomiting, indigestion, skin jaundice, drowsiness and other symptoms.