The common causes of frequent vomiting are acute gastroenteritis, pyloric obstruction, pregnancy, mental factors, cerebral infarction, cervical spondylosis and so on. 1. Acute gastroenteritis: acute gastroenteritis occurs more often in summer, during the disease, the gastrointestinal tract can have a large number of pathogenic bacteria reproduction, the gastrointestinal tract is stimulated, peristaltic disorders, frequent vomiting will occur. 2. Pyloric obstruction: frequent episodes of vomiting can occur for a long time after the disease, and the amount of vomiting is relatively large. Frequent vomiting is related to the inability of stomach contents to pass through the pylorus in a timely and smooth manner, and the accumulation of food over a long period of time will lead to gastric dilatation and then vomiting symptoms. 3. Pregnancy: If you are a woman of childbearing age, frequent vomiting may also be related to pregnancy, mainly due to changes in hormone levels in the body. 4. Mental factors: if the long-term work pressure is relatively large, high mental tension, can also appear frequent vomiting performance. 5. Cerebral infarction: If you suffer from cerebral infarction, the part of cerebral infarction is in the cerebellum, or due to cerebral infarction caused by increased intracranial pressure, frequent vomiting, dizziness and other clinical symptoms can also occur, especially after the activities of the symptom will be exacerbated. 6. Cervical spondylosis: patients with cervical spondylosis, especially sympathetic cervical spondylosis, can also experience nausea, frequent vomiting, headache, dizziness and other complex clinical symptoms. There are many other causes of frequent vomiting, it is recommended to go to the hospital in time to find out the cause of the disease, and follow the doctor’s instructions to take targeted treatment.