Neovascular glaucoma(NVG) is a kind of refractory glaucoma which due to kinds of abnormal ocular and extraocular factors which would cause hypomia of eyeball. Early diagnosis and effective treatment are critical in controlling the intraocular pressure(IOP) and maintaining better visual acuity. Whereas the pathological mechanisms and effective treatments are uncertain. We made this review on the pathological mechanisms of NVG upon recent papers.