Basilar artery opening malformation may be caused by congenital developmental abnormalities, insufficient blood supply to the brain, and brain diseases. Patients usually experience nausea and vomiting after the onset of the disease, and are advised to seek prompt medical attention. 1. Congenital developmental abnormality: Due to congenital developmental abnormality, basilar artery window deformity may occur. If the patient does not have symptoms such as abnormality, discomfort, etc., special measures are generally not required. 2. Insufficient blood supply to the brain: due to the influence of diseases, such as cervical spondylosis and hypertension. This can lead to insufficient blood supply to the brain, which can cause basilar artery deformity, leading to nausea, dizziness and other phenomena, patients can take medications to improve blood circulation under the guidance of the doctor to alleviate such symptoms, such as flunarizine tablets, vitamin E capsules and so on. 3. Brain diseases: Brain diseases such as brainstem infarction, cerebellar infarction, etc., may cause hemodynamic changes in the brain, thus causing basilar artery window deformity. Patients need to go to the hospital in time, through the appropriate examination, to determine the causes of basilar artery dehiscence targeted treatment. If the patient has uncomfortable symptoms, it is recommended to go to the hospital in time for the relevant examination, under the guidance of the doctor for professional treatment measures.