An enterprise product management system using a RFID card tag is provided to enable an enterprise to manage a product using a RFID card tag, thereby detecting an existing problem and solving the problem effectively. An enterprise product management system using a RFID card tag comprises the following units. A reader(15) receives product information from a tag(10) adhered to the product. A data transmission module(20) receives data from the reader and transmits the read data to a stock management server(30). A data present condition database(32) receives data from the data transmission module and analyzes/inquires the data. A product information database(34) stores a product identification number. A stock management server(30) includes a central control unit(38).
