Retinal vein occlusion(RVO)is a common disease of retinopathy disorder, which is second only to diabetic retinopathy in the blinding rate. It can result in macular edema, neovascular glaucoma and other serious damage which all impair the visual function, even causing permanent, irreversible vision loss. In recent years, there is a deeper understanding of its occurrence and development with a large number of scholars have further study of RVO. This article reviews the pathogenesis, influencing factors of vision and treatment of RVO.