The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
Because it is a herb specifically indicated to treat apoplexy as can be seen on Chinese Honeylocust Abnormal Fruit's page.
Its main actions are: Clears Phlegm. Opens orifice and blockage. Dispels Wind and kill worms.