The present invention relates to an operating method of a commercial power analysis big data system utilizing floating population data and POS data. The operating method may configure big data by using POS data of a store where a POS terminal is installed and floating population data measured at the store, analyze sales against floating population in a region where the POS terminal is installed, and conduct an analysis of commercial power against accurate floating population. The operating method comprises a POS data reception step, a floating population reception step, and a big data configuration step.
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