An emergency response device that can be worn on the neck of a user according to an embodiment of the present invention may comprise: a communication module for performing communication with an emergency management server or a mobile terminal； a sensing module for sensing a condition of a user wearing the emergency response device； and a processor for, when it is determined that the user is in a dangerous situation, on the basis of information on the sensed condition of the user, outputting information reporting the dangerous situation.
