Method and system of protecting life and property safety based on wearable device

The invention discloses a method and system of protecting life and property safety based on a wearable device. The method comprises: starting an emergency function by a wearable device; determining whether to start emergency alert when the wearable device determines to start the emergency function; sending a touch instruction by the wearable device to a mobile device bound in advance when the wearable device determines to start emergency alert; automatically dialing an emergency call in a concealed way when the mobile device obtains the touch instruction; and automatically generating wrong passwords randomly in background when the mobile device dials an emergency call in background, and continuously sending the wrong passwords to a bank center by three times in order to lock a bank card. The invention also discloses a system of protecting life and property safety based on a wearable device. According to the mode, the method and system can automatically give an alarm and lock a bank card so as to effectively protect user life and property safety when a user receives threats.