Intravitreous injection with triamcinolone acetonide has been increasingly applied to diabetic retinopathy,such as diabetic macular edema,proliferative diabetic retinopathy, neovascular glaucoma due to proliferative diabetic retinopathy and persistent ocular hypotony complication after operation of diabetes retinopathy.At the same time, the complications also should not be ignored following widespread application of intravitreous injection with triamcinolone acetonide,such as high intraocular pres- sure,eye infection and so on.The articles summarize and introduce the application and complication of intravitreous injection with triamcinolone acetonide for diabetes retinopathy.