Inclusion Criteria:  CT scan was used to diagnose cerebral hemorrhage in basal ganglia region. The amount of bleeding was 30-50ml, and no cerebral hernia was formed. Age between 30 and 70 The onset is longer than 24 hours and less than 72 hours. Informed consent of the patient and/or their relative.  Exclusion Criteria:  Brain injury, hemorrhage caused by intracranial aneurysm or cerebral arteriovenous malformation. Coagulation dysfunction Insufficiency of vital organs of heart, liver, kidney or lung Previous history of stroke with functional loss Intracranial or systemic infection Poor blood pressure control