A stroke is a stroke. Older people vomiting three years after stroke may be related to disease recurrence, complications, gastrointestinal diseases and so on. It is recommended to go to the hospital in time for review, to clarify the cause of the disease, and to treat the cause and symptoms. 1. Disease recurrence: Patients with a history of stroke have a higher probability of recurrence within 5 years. Patients may have frequent vomiting, and may also have hemiparesis, hemiplegia, hemiplegia, impaired consciousness, vertigo and other symptoms. It is recommended to go to the hospital for follow-up. 2. Complications: Patients with cerebral infarction are not excluded from the complications of cerebral hemorrhage, which causes increased intracranial pressure and may lead to vomiting. 3. Gastrointestinal diseases: the treatment of stroke may have a certain impact on gastrointestinal function, such as the use of aspirin and other drugs may damage the gastric mucosa, peptic ulcer and other diseases, which can also cause frequent vomiting, but also can be accompanied by abdominal pain, belching (hiccups) and other symptoms. Elderly people always vomit three years after a stroke, it is recommended to go to the hospital in time to improve the relevant examination, to clarify the cause of the disease, and timely treatment.