Objective To study the relationship of free fatty acids and oxLDL-C with diabetic retinopathy(DR).Methods The 108 type 2 diabetes cases with(n=68)and without(n=40)DR were enrolled,and compared with 42 health control.FFA was determined by copper chromogenic method.oxLDL-C was determined by ELISA with kits provided.The correlation of risk factors with retinopathy was analyzed by logistic regression analysis.Results FFA and ox LDL-C levels were higher in DR group than in groups of DM and control.Logistic regression analysis showed that as the independent risk factors for DR pathogenesis,LDL-C,FFA,oxLDL-C and course of disease entered into regression equation.Conclusions FFA and oxLDL-C are the important risk factors for DR.