Side effects of taking butylphthalein should be stopped immediately and assisted with hepatoprotective medication if necessary. Butylphthalide soft capsule is other neurological drugs, used to improve the neurological deficits in patients with mild and moderate acute ischemic stroke. Side effects are relatively few, mainly manifested as mild elevation of transaminases, occasional nausea, abdominal discomfort and psychiatric symptoms. After the use of butylphthalide to monitor the transaminase, if the transaminase elevation occurs, discontinuation of the drug can be restored to the symptoms, transaminase elevation is obvious, can be combined with liver-protecting drugs, such as compound glycyrrhizic acid glycoside treatment. Allergic to this product, severe bleeding tendency is prohibited. The medication should be used under the guidance of a professional physician, and should not be used blindly on its own, so as to avoid side effects and so on.