采用质量 -数量Cox回归分析对 2型糖尿病视网膜病的影响因素进行探讨。结果表明 :素食荤油、糖尿病家族史、高胆固醇和高甘油三酯水平以及高体重指数是 2型糖尿病视网膜病的危险因素 ,RR值分别为 2 0 0 9,1 6 6 5 ,1 2 13,1 2 0 8和 1 0 5 6 ;多吃谷类或面粉类食物以及适当增加业余体力活动量是其保护因素 ,RR值分别为 ,0 5 42和 0 6 5 9。 The influencing factors of type 2 diabetic retinopathy were investigated by mass-quantity Cox regression analysis. The results showed that vegetarian diets, family history of diabetes, high cholesterol and triglyceride levels, and high body mass index were risk factors for type 2 diabetic retinopathy with RR values ​​of 2 0 0 9, 1 6 6 5, 1 2 13 , 1208 and 1056 respectively. Eating more cereal or floury food and properly increasing amateur physical activity were the protective factors, with RR values ​​of 0 5 42 and 0 6 5 9, respectively.