Butylphthalide is primarily used in the medical field, particularly in the treatment of ischemic stroke. It is known for its neuroprotective properties, helping to reduce brain damage by improving blood flow to the brain and protecting neurons from ischemic injury. This compound is also utilized in managing symptoms related to vascular dementia and other cerebrovascular disorders. Additionally, it has shown potential in alleviating migraines and improving cognitive functions in patients with mild cognitive impairment. Its application extends to research studies focusing on stroke recovery and neurodegenerative diseases.