“…Purchase behavior is a complete process composed of a series of links and elements, in which purchase decision is at the core; whether the decision is correct or not directly determines the occurrence mode, direction, and utility of purchase behavior. Under big data analysis, human beings can obtain information quickly and intuitively [5,6]. Among them, big data analysis refers to the analysis of largescale data, which can be summarized as ve Vs, including large volume, velocity, variety, value, and veracity.…”