An intelligent device controlling method, a mobile terminal, and a computing device are provided. A mobile terminal for controlling intelligently a device according to an embodiment of the present disclosure receives a call for a call connection, selects at least one control target device to control an operation while the call is connected, based on a location of the mobile terminal, selects a control item of the at least one control target device using a plurality of pre-learned control methods, and controls the control item for the at least one control target device in a state where the call is connected. Accordingly, it is possible to improve a call environment by controlling an operation of a device around a smart phone at the time of a call connection of the smart phone. At least one of a mobile terminal and an intelligent computing device of the present disclosure is associated with an artificial intelligence module, an unmmanned aerial vehicle (UAV), a robot, an augmented reality (AR) device, a virtual reality (VR) device, and a device related to a 5G service.