Aim To study the association between the ratio of fasting blood triglyceride to high density lipoprotein cholesterol (TG/HDLC) and macrovascular complications in aged type 2 diabetes in Guangxi. Methods To investigate some marks such as fasting blood glucose (FBG), posty prandial blood glucose (PBG), fasting TG, HDLC, low density lipoprotein cholesterol (LDLC), TC, blood pressure (BP) and body mass index (BMI) of 551 above-60-aged type 2 diabetes in the survey of chronic complications of The Diabetes Society of Chinese Medical Association. Results PBG, SBP, TC and BMI of high TG/HDLC ratio group (R>1.33) is significantly higher than that of normal TG/HDLC ratio group (p<0.05); So does the prevalence rate of macrovascular complications (p<0.05); single-factor linear correlation analysis show that FBG, PBG, TC, LDLC, duration of DM and BMI, etc have positive correlation with TG/HDLC ratio (p<0.05); Multiple factor stepwise regression analysis show that the main factors affecting TG/HDLC ratio are FBG, TC, LDLC, BMI and duration of DM (p<0.05). Conclusion Dyslipidosis has association with the prevalence rate of macrovascular complications in aged type 2 diabetes. TG/HDLC ratio can indicate reliably the occurrence of macrovascular complications.