Inclusion Criteria:  Diagnosis of spontaneous intracerebral hemorrhage(sICH) Age ≥18; Admission within 24 hours of symptom onset CT available at 24 hours Informed consent obtained  Exclusion Criteria:  Intracerebral hemorrhage caused by tumor, vascular malformation, aneurysm, etc. Deep coma at admission (GCS≤8) Intended to have a surgery within 24 hours Congenital coagulation dysfunction Previous intracerebral hematoma have not been absorbed