Method for controlling robot, robot, and recording medium

A method for controlling a robot that accompanies a user, the method comprising:

• detecting, through at least one sensor included in the robot, a location and a movement direction of the user who is moving, and an object around the user;
• setting, based on the location and the movement direction of the user, a nearby ground area in front at the feet of the user;
• controlling an illumination device included in the robot to irradiate the nearby ground area with light while driving at least one pair of legs or wheels of the robot to cause the robot to accompany the user;
• specifying a type and a location of the detected object;
• and
• controlling, in a case where the object is a dangerous object and is located in the movement direction of the user, the illumination device to irradiate a new nearby ground area with light to guide the user to change the movement direction, the new nearby ground area being located in front at the feet of the user and in a direction different from the movement direction.