Social crises are manifested by the disruption of existing order in a situation in which the ability of the social system to rebalance declines. One of these crises is the social protests of December 2017. These protests showed the occurrence of a crisis of pervasive, wide-ranging, deep and different social origin from other crises (separatist, religious, and student movements) of the past decades that could disrupt a hundred cities in the shortest possible time. As the most important political subsystem, how it can play a corrosive role in overthrowing the government in creating dissatisfaction and social crisis, is the main question and purpose of this research. The purpose of this article is to provide a qualitative analysis of how the role of corruption in creating social crises. Data were collected through in-depth interviews and purposive sampling with 23 experts on how the December 2017 protests took place in Shahrekord, with a multi-ethnic context and diverse dialect. The recorded interviews were implemented and after several reviews using the method of thematic analysis, which is one of the techniques of text analysis and interviews in qualitative method, were classified and the topics were extracted from it. Findings of the research include 8 comprehensive themes and 26 constructive themes of the role of corruption in creating social crises. Some of the 460 basic themes have been omitted due to similarity and duplication, and the most important ones are necessarily mentioned in the research findings section.