The purpose of this study is to provide a model for customer shopping behavior in large chain stores. In this research, the snowball sampling method was used, and nine experts were interviewed in this process. Result showed that the realization of the pivotal category in the context of the causal, environmental, and context conditions, it refers to specific strategies. In this research, and considering the goals and categories identified, the categories of "mixed purchasing behavior" and "customer loyalty" were considered as consequential categories.