Vomiting in patients with thrombosis is considered to be related to the location of the infarction, the possible presence of a large cerebral infarction, stress ulcers in the gastrointestinal tract as a result of the infarction, or drug side effects. If it is related to the location of the infarction, especially in the cerebellum and brainstem, the patient will experience severe dizziness, which will stimulate the sympathetic nerves and lead to nausea, vomiting and other symptoms. If there is a large cerebral infarction, this will increase intracranial pressure, resulting in headache, dizziness, nausea, vomiting, such cases need to reduce intracranial pressure treatment. It may also be due to the development of stress ulcers. When acute cerebral thrombosis occurs, stress ulcers may develop due to neuroendocrine and other functional disorders. The patient will have nausea, vomiting, vomiting blood and other symptoms. Protection of gastric mucosa and symptomatic treatment should be given immediately. It may also be related to drug side effects, such as and cerebral thrombosis patients will use aspirin and other drugs that stimulate the gastrointestinal tract, may produce nausea and vomiting symptoms, should consult the doctor in time to see if the need to adjust the treatment. Regardless of the cause of vomiting, patients are urged to seek medical attention in a timely manner to clarify the situation and actively treat it.