A method of monitoring a running state of a machine passenger capable of wirelessly interacting with an elevator system , comprising: judgement step (S621, S641): judging whether a response command for the state polling information fed back from the machine passenger is received, and judging whether first state representation information actively sent from the machine passenger for representing that its running state is abnormal is received; and first state determination step (S650): determining that the respective machine passenger is in an abnormal running state based on a first judgement result of not receiving the response command and a second judgement result of receiving the first state representation information characterized by the method further comprising: elevator run result acquisition step: acquiring a respective elevator run result corresponding to one or more commands from a certain machine passenger that have been sent to an elevator control device of the elevator system , and judging whether the elevator run result includes a run exception; association step: if the elevator run result includes a run exception, judging whether the same run exception occurring multiple times is associated with commands sent by the same machine passenger ; and second state determination step: if judged as "YES", the machine passenger is determined to be in an abnormal running state. judgement step (S621, S641): judging whether a response command for the state polling information fed back from the machine passenger is received, and judging whether first state representation information actively sent from the machine passenger for representing that its running state is abnormal is received; and first state determination step (S650): determining that the respective machine passenger is in an abnormal running state based on a first judgement result of not receiving the response command and a second judgement result of receiving the first state representation information characterized by the method further comprising: elevator run result acquisition step: acquiring a respective elevator run result corresponding to one or more commands from a certain machine passenger that have been sent to an elevator control device of the elevator system , and judging whether the elevator run result includes a run exception; association step: if the elevator run result includes a run exception, judging whether the same run exception occurring multiple times is associated with commands sent by the same machine passenger ; and second state determination step: if judged as "YES", the machine passenger is determined to be in an abnormal running state. elevator run result acquisition step: acquiring a respective elevator run result corresponding to one or more commands from a certain machine passenger that have been sent to an elevator control device of the elevator system , and judging whether the elevator run result includes a run exception; association step: if the elevator run result includes a run exception, judging whether the same run exception occurring multiple times is associated with commands sent by the same machine passenger ; and second state determination step: if judged as "YES", the machine passenger is determined to be in an abnormal running state. <EOS>