Butylphthalide Sodium Chloride Injection is a drug to improve cerebral circulation, used in the treatment of neurological impairment caused by cerebral ischemia, some patients will experience sleepiness, limb weakness and other adverse reactions after using the drug, patients with liver function and renal function impairment should be cautious to use the drug. Butylphthalide sodium chloride injection can promote cerebral circulation, can improve the symptoms of cerebral ischemia, mainly used for the treatment of mild or moderate acute ischemic stroke caused by central nervous injury. Some patients will experience adverse symptoms such as drowsiness, limb tenderness, head dizziness and drowsiness after treatment with Butylphthalide Sodium Chloride Injection. In addition, people with hepatic or renal function impairment, patients with psychiatric symptoms, and patients with hemorrhagic stroke should use butylphthalide sodium chloride injection with caution. Butylphthalide Sodium Chloride Injection can treat ischemic stroke, patients need to use the drug under the guidance of the doctor, not unauthorized use of medication treatment. It is recommended that patients with severe bleeding tendency should use butylphthalide sodium chloride injection with caution, and those who are allergic to butylphthalide sodium chloride injection are forbidden to use the drug.