According to one embodiment of the present disclosure, there can be provided a monitoring system comprising a wireless communication device configured to be attached to an object containing medication, including a motion sensor, an ambient light sensor, and a first controller; and a wearable device configured to be worn by a user, including a camera, and a second controller; wherein the first controller is configured to provide an activating signal related with the activation of the camera of the wearable device when a predetermined condition is satisfied, and wherein the second controller is configured to receive the activating signal and determine whether activating the camera or not based on the activating signal.