Loss preventing system and loss preventing method based on Bluetooth device and intelligent mobile terminal

The invention discloses a loss preventing system and a loss preventing method based on a Bluetooth device and an intelligent mobile terminal. The loss preventing system based on the Bluetooth device and intelligent mobile terminal is characterized in that the Bluetooth device is arranged in a to-be-protected article, the Bluetooth device is bound with the intelligent mobile terminal, under the working state, whether the to-be-protected article stays in the preset monitoring distance is confirmed by virtue of the periodic information communication between the Bluetooth device and the intelligent mobile terminal, a warning is transmitted to the mobile terminal to prompt a user if the to-be-protected article does not stay in the monitoring distance. The loss preventing system is used for preventing loss and has an instant prompting function, the user can discover that the article is not in the monitoring range in a short time according to the warning, and a loss preventing effect can be realized; moreover, the cost is low, the occupied space is small, the practical value is relatively high, and the market space is relatively large.