Fuente: Wipo "BigData" The invention relates to the technical field of big data analysis, and discloses a big data analysis method applied to investigation in the public security economic crime field, which comprises the following working steps of: 1, acquiring big data information of related public security economic crime fields through a big data acquisition system, comprising but not limited to financial transaction records, electronic payment data and network activity tracks; huge, heterogeneous and real-time generated data are processed and analyzed through a big data analysis system, and deep mining and traceability of economic criminal behaviors are achieved; and 2, storing the big data information acquired by the data acquisition system through a big data storage system. According to the big data analysis method applied to investigation in the public security economic crime field, efficient investigation can be achieved, rapid transmission and response to real-time data are achieved through combination of a big data acquisition system and a 5G communication system, and the efficiency of investigation work is improved.