Background and Objective: One of the most important goals of diabetes control is to empower patients to perform self-care. The purpose of this study was to investigate the relationship between health literacy and self-care behaviors in type 2 diabetic in elderly. Materials andMethods: All diabetic elderly referring to health centers of the city of Fariman in 2019 were enrolled in the study. The interviewer referred to elderly 's home and if they were satisfied, the questionnaire completed. Data were collected by demographic questionnaires, health literacy questionnaire and self-care questionnaire. Data were analyzed using SPSS software and statistical tests regression analysis, Pearson correlation coefficient and one-way ANOVA, Chi-square test were used. Result: Mean age was 67.7 years and mean FBS was 122.8. Over 60% were female, 80% had primary and lower education, 81% had a spouse, and 26% had no job.). The mean and standard deviation of health literacy score was 76.4 ±7.5 and self-care was 63.00±7.4. Health literacy had significantly correlation with gender (p