The present invention relates to a smart potted data security system based on beacon synchronization, and a data security method using the same. The present invention relates to a smart mobile device (20), comprising: a first step of completing a Bluetooth low energy (PON) based pairing with a beacon-based smart pollinator (10)； The smart mobile device 20 accesses the smart pollen management server 50 and transmits the beacon-based smart polisher MAC address acquired in the process of pairing with the smart pollen management server 50 with the user account information, A second step of requesting a secret key for data encryption when broadcasting a BLE-based beacon signal by the completed beacon-based smart polling apparatus 10； The smart pollen management server 50 stores the received MAC address and user account information of the beacon-based smart pollen apparatus in the database 53 as 'first connection information' ) And the smart mobile device 20, and then generating a secret key； And the smart pollen management server 50 transmit the secret key for the generated beacon-based smart pollen apparatus 10 to the beacon-based smart pollen apparatus 10 via the smart mobile device 20 in a Bluetooth manner using BLE pairing Step 4； . Accordingly, it is possible not only to prevent use of a gateway by a user having another user account that is matched with a gateway MAC address (MAC address) and not stored, but also to a beacon-based smart polling apparatus that is a wireless sensor node The sensing data can be transmitted and the security function can be improved. The present invention also relates to a method of synchronizing a smart mobile device with an individual account of a smart mobile device by beacon-based security synchronization of a beacon-based smart pollen device corresponding to a wireless sensor node, code input, serial number input and so on. In addition, the present invention provides an effect of further enhancing the security process by using an en
