The present study was conducted with the aim of investigating the factors of the business boom and jump in the commercial banking system of Iran, emphasizing the role of moderating factors. The research method is mixed (quantitative-qualitative) and all the data and information needed for the research have been prepared in both quantitative and qualitative parts. The statistical population of the current research includes all participants from among banking experts and academic experts in the fields of accounting, finance, management, banking, and economics in the field of commercial banks in Iran. To test the hypotheses of the research from theoretical bases and field survey (distribution of 384 questionnaires), Used. In order to analyze the data, descriptive and inferential statistical techniques such as Cronbach's alpha tests, Kolmogorov-Smirnov tests, and structural equation modeling have been used. In the qualitative part, by selecting the key criteria of the research with the fuzzy Delphi method, factors of business boom and jump and moderating factors were identified. Then, by conducting factorial and structural analysis, the research results showed that the boom and jump of the banking system's business in various states (positive, negative and two-way) are effective on the performance of commercial and non-commercial banks. Therefore, the moderating factors moderate the relationship between the factors of boom and business boom in the banking system. By identifying the moderating factors and business boom and jump factors, a new model can be presented in the Iranian commercial banking system.