To summarize the etiological factor and to assess the therapeutic effect for neovascular glaucoma(NVG).Methods A retrospective study of 28 cases (29 eyes) with NVG was performed. The mean age, proportion of sex and primary ocular disease, incidence of symptom, sign and postoperative complication were analyzed. Results 78 6% of the patients were over 40 years old. 62% of the patients were secondary to the ocular ischemic disease such as central retina vein occlusion and proliferative diabetic retinopathy. The clinical characters included intraocular pressure (IOP) increasing, pain, mixed conjunctival congestion and rubeosis iridis. The mean IOP reduction was 19.5 mmHg in 29 eyes after antiglaucomatous drags treatment and 19.13mmHg in 23 eyes after Hunan aqueous humor drainage (HAD) implantation. The common postoperative complications were flat anterior chamber and choroidal detachment. The success rate of HAD implantation was 87%.Conclusions NVG was commonly secondary to ocular ischemic disease. Although prevention was the principal, reducing IOP and ameliorating ischemic situation were as the same important.