The purpose of this study is to investigate the theory of good governance based on social capital and public trust. The method of the present research is applied in terms of purpose and descriptive in terms of data collection method and is of correlation type and based on structural equation modeling. The statistical population of the present study was students aged 18 to 40 years in Mazandaran province in 1400 who were studying in universities approved by the Ministry of Science and Technology and Islamic Azad University. The data collection tool was a questionnaire that included 26 main questions and three demographic questions. The Good Governance Questionnaire was used by Doleh et al. (2015), Social Capital by Nahapit and Gushal (1998) and Public Trust by Manvarian et al. (2010). For this purpose, six hypotheses were formulated that good governance has five indicators of consequentialism, effectiveness of plans and tasks, promotion of values, transparency and accountability. According to the research results, the five components of good governance affect social capital and public trust. The results of the sixth hypothesis showed that from the respondents' point of view, there is a significant difference between the five components of good governance