Disclosed are a mobile terminal for providing an intelligent agent (IA) service and controlling method thereof. The mobile terminal includes a display unit, a camera, a sensing unit comprising a microphone configured to sense a surrounding voice of the mobile terminal, an angle sensor configured sense an angle of the mobile terminal, and a location sensor configured to sense a location of the mobile terminal, a communication unit configured to transmit/receive data with a server configured to store a context information of a user, and a controller, if a trigger signal including a preset voice signal is sensed through the microphone, activating an intelligent agent (IA), the controller, if a preset input signal is sensed in a state that the IA is activated, activating the camera.