The utility model provides a can be applied to the guardianship of bluetooth intelligence infant and location bracelet of smart mobile phone, includes intelligent gauge outfit (1), bracelet main part (2), mechano -electronic hasp (3) and disconnect -type hygroscope (4). Be equipped with the circuit in the bracelet main part, be connected intelligent gauge outfit and mechano -electronic hasp electricity. The intelligence gauge outfit includes alarm button (6), bluetooth control chip (7) and functional module (9) compriseed temperature sensor (10), buzzer (11) and LED lamp (12), and bluetooth control chip is connected with the functional module electricity. The disconnect -type hygroscope comprises bluetooth module (8) and humidity transducer (13). Bluetooth communication through bracelet and smart mobile phone (5) is mutual, confirms that the infant present position is with to its location. Temperature sensor and humidity transducer can monitor infant's body temperature and humidity respectively, and bluetooth control chip connects body temperature and the humidity data of acquireing the infant through the bluetooth to send these data signal for the smart mobile phone in real time. Bluetooth control chip process is judged, the give -out order of control function module, and display alarm information realizes the guardianship to the infant.