Objectives: The purpose of this study was to investigate the effect of problem drinking on life satisfaction and to analyze the mediating effect of family conflict and depression between two variables. Methods: The data of this study were selected in the 9th Korea Welfare Panel Survey(KYPS, 2014). The SPSS Ver. 18.0 statistical package was used for descriptive statistics analysis, correlation analysis, and hierarchical regression analysis. Results: The major findings were as follows; First, problem drinking was found to have a negative impact on family conflict, depression, and life satisfaction. Second, family conflict and depression were identified to cause decreasing life satisfaction. Third, family conflict and depression was found to have a mediating effect between problem drinking and life satisfaction. Conclusions: In order to enhance life satisfaction through overcoming problem drinking, drinking prevention programs and recreational programs based on economic and social context are required.