A disclosed wallet having a loss prevention function comprises: a wallet (10); a main module (20) which is provided inside the wallet and has a wireless communication function for transmitting a location of the wallet; and a terminal (30) which is paired with the main module by a wireless communication method and has an application installed therein having functions of transmitting a location of the wallet transmitted from the main module, of monitoring the transmitted location in real time and of notifying immediately to a user when tracking locations of the wallet cannot be performed, and storing map data for understanding locations of the wallet. When the terminal and the main module are paired through the application, a location of the wallet is transmitted to a user terminal in real time, and when the wallet is away from the terminal at a distance over a predetermined value, the main module transmits information on the wallet leaving the location to the user terminal, thereby preventing loss or thief of a wallet.;COPYRIGHT KIPO 2019
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