Abstract: Objective: To observe the therapeutic effect of vitrectomy for vitreous hemorrhage． Methods：ninty-eight inpatients(112 eyes)of vitreous hemorrhage with vitrectomy were analyzed retrospectively． The preoperative vision and pastoperative vision were compared by paired t-test whose eyes with diabetic retinopathy、 retinal vein obstruction、hypertensive fundus hemorrhage、ocular trauma and rhegmatogenous detachment．Then analyze the complication and how to resolve it. Results：Postoperative follow-up was over 6 months．10 eyes had no vision improvem ent，and another 102 eyes had better vision than preoperation, there was a significant difference（P<0.05）．The hyphema、 high intraocular pressure intraoperative 、recurrent vitreous hemorrhage，complicated cataract and retinal detachment were common postoperative complications．Conclusion：Vitrectomy is an effective method to treat vitreous hemorrhage，but attention should be paid to the prevention of intraoperative and postoperative complications．

Key words: vitreous hemorrhage, vitrectomy, effect, retrospective studies