The subject is to identify and explain the effective factors in the policies of the Iranian diplomatic system in the disputes between them.The researcher intends to answer the question that what are the effective factors in the strategies of the Iranian diplomatic towards Saudi and how can it be evaluated.The researcher mainly tries to investigate the key factors causing tension from two perspectives,referring to documents and interviewing experts in this field, i.e. political science, in order to achieve key indicators with the help of phenomenological method.This research emphasizes on two main references to understand the tension factors.First:the paradigm governing the country's political behavior and diplomacy and second:the spatial behavior and pattern of Saudi political thinking in the region.The research method in this research is explanatory,with the help of Claizi's method,to explain and interpret the subject.At the same time,it is trying to identify and classify the main drivers of tension with the help of the Mic-Mac model.Based on the research problem,this hypothesis comes to mind that the effective factors in Iran's diplomatic system in categories such as Iran's regional influence,influence on the resistance front Saudi's view of Iran can be explained and evaluated through the lens of America.The results of the research showed that in relation to the effective factors in the policy-making of the diplomatic system in the occurrence of differences between them,not only the political behavior of Iran,but also the occurrence of regional and global events and the ruling political thinking,especially on the part of Saudi have't been unaffected.