Objective To explore the distant parts of the brain of postoperative epidural hematoma of the mechanism and its clinical significance.Methods We collected 20 cases of postoperative distant parts of the brain in patients with epidural hematoma,have been checked at diagnosis.After the tumor size,location location,distant parts of the epidural hematoma size and location of the site,time of occurrence of the statistics.Results distant hematoma occurred in 5 cases the average size of 30 mm×50 mm,the amount of the top left,recovered;including four cases of distant hematoma occurred an average size of 40 mm×80 mm,right parietal occipital,death;5 cases occurrence of distant hematoma occurs the average size of 40 mm×50 mm,automatic discharge;6 patients had distant hematoma occurred,the average size of 20 mm×60 mm,left parietal occipital,left frontal recovery.Combination of literature review,to explore its mechanism and clinical significance of its possible causes and surgical considerations.Conclusion Brain surgery to fill the cavity should be timely,good drainage work,and timely processing of early complications.