THE PURPOSE OF PRESENT RESEARCH IS TO EXAMINE THE ROLE OF SOCIAL CAPITAL ON THE quality OF work life AMONG EMPLOYEES OF THE SOCIAL SECURITY ORGANIZATION OF EAST AZERBAIJAN PROVINCE, IRAN. TO REACH THIS PURPOSE, SOCIAL CAPITAL IS DEFINED BASED ON THE TOTAL THEORIES PRESENTED IN THIS FIELD IN THREE DIMENSIONS: 1. SOCIAL TRUST 2. SOCIAL PARTICIPATION, 3. SOCIAL COHESION; AND THE quality OF work life BASED ON WALTON'S MODEL OF ANALYSIS IN 8 DIMENSIONS: 1. FAIR AND APPROPRIATE COMPENSATION, 2. work CONDITIONS, 3. USE AND DEVELOPMENT OF CAPACITIES, 4. CHANCE OF GROWTH AND SECURITY, 5. SOCIAL INTEGRATION IN THE ORGANIZATION, 6. CONSTITUTIONALISM, 7. work AND THE TOTAL SPACE OF life, 8. SOCIAL RELEVANCE OF THE work IN THE life. IN THIS REGARD, ONE MAIN AND THREE SUB HYPOTHESES WERE EXAMINED. A RANDOM TOTAL OF 260 EMPLOYEES, AS SAMPLES, WERE SELECTED BASED ON COCHRAN'S FORMULA, TO PARTICIPATE IN THIS STUDY. DATA WAS COLLECTED THROUGH A QUESTIONNAIRE. THE VALIDITY OF THE QUESTIONNAIRE IS CONTENT BASED. THE RELIABILITY OF THE QUESTIONNAIRE WAS CONFIRMED BY USING CRONBACH'S ALPHA, WHICH SHOWED 0.847 FOR THE QUESTIONS ON SOCIAL CAPITAL AND 0.965 FOR THE QUESTIONS ON THE quality OF work life. IN ORDER TO TEST THE RESEARCH HYPOTHESES, PEARSON'S TEST AND REGRESSION WERE USED. THE RESULTS INDICATE THAT THE SOCIAL CAPITAL AND ITS DIMENSIONS HAVE EFFECT ON quality OF work life IN THE ORGANIZATION UNDER STUDY.