The present invention relates to an ERP inventory management system that can check the specifications and inventory of the goods in real time, the goods stocking step in which goods are stocked; an article measurement step of measuring the standard, volume and weight of the received article; a code classification step of classifying the code of the article according to the measured result and the type of the article; a code attaching step of attaching the classified code to the article; a position sensor attachment step of attaching the position sensor to the article; and a warehouse classification step of classifying and storing the items in a designated warehouse according to the classified code; and, in the item measuring step, the measurement information of the measured items is expressed through an augmented reality hologram.
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