Background and Aim: Political trust affects the relationship between the people and the state, which is one of the essential factors for managing the country's affairs better, developing and expanding, and meeting the people’ s needs. The present research intends to answer the question by a meta-analysis method that, in general, what variables affect the political trust and how these variables explained and enlightened the political trust. Method: The quantitative meta-analysis is a mechanism for implementing research. The purpose of this approach is to integrate, systematically review and harmonize studies in a certain field of research. The statistical population of this study was 18 researches that13 samples of research documents were selected to integrate and identify its impact. Findings: The Analytical Findings of the research indicate that political trust is considered as the main and dependent variable which is influenced by the governance (Effect size-0. 290), justice (Effect size-0. 321), social capital (Effect size – 0. 378), religiosity (Effect size-0. 435), social satisfaction (Effect size-0. 212), political capital (Effect size-0. 263), anomy (Effective Size-0. 288), discrimination (Effect size-0. 375), security (Effect size-0. 347) and social network (Effect size-0. 311) ). In sum, the above variables were able to explain and enlighten political trust by Effect size-0. 327, Z-8. 481 and sig-0. 004. Conclusion: The results show that political trust greatly reduces the social distance between government institutions and citizens and has a very strong relationship with the people, government, institutions and intermediary groups between the people and the government. According to the result of the research, the level of political trust is moderate. The level of political trust is high (38%), medium (32%) and low (30%)