This study aims to understand the effects of social capital on job satisfaction in the professionals in full accommodation type's disability institutions of Taoyuan City, Taiwan. Totally 231 samples of the professionals in full accommodation type's disability institutions are surveyed. Statistical methods such as descriptive statistics, reliability analysis, factor analysis, mean, standard deviation, and linear regression analysis are used in the study. The results of the study are as follows: First, the professionals’ social capital has positive effects on job satisfaction. Their social capital has positive influences on opportunity for upward mobility, but it has negative impacts on turnover intention. Second, the professionals’ social capital has not effects on their salary. The study also shows that the professionals’ social capital has no impact on wages and benefits. Finally, the professionals’ attitude intentional social capital has positive effects on their opportunity for upward mobility. But, their behavioral intentional social capital has negative impacts on their upward mobility opportunity. Keywords: social capital, job satisfaction, organizational benefits, promotion opportunities, salary welfare measures, institutional feedback mechanisms, opportunities for upward mobility, turnover intentionernet connections.