Objectives : This study aimed to investigate the moderating effect of social support between problem drinking and depression of the elderly with disability. Methods : This study analyzed the 12th wave(2017) KWPS(Korean Welfare Panel Study) and Disability Study which included 195 elderly with disability aged 60 over. Collected data were analyzed by SPSS 21.0 and STATA. Results : First, the elderly with disabilities were more likely to be depressed than the women, ,living without spouse, the less satisfied with health, the higher the problem drinking, the lower the social support. Second, disability factors didn’t show any influence on the depression of subject and subjective health satisfaction significantly related to the depression. Third, social support moderated the relationship between the problem drinking and depression. According to the Quantile regression analysis, in group with low social support, the more the problem drinking, the higher the depression. Conclusion : Social support in elderly with disability was a significant variable for problem drinking and depression. The implication and limitation of these findings are discussed, and directions for future studies are proposed.