A method for generating direction information of an omnidirectional image and a device for performing the method. The method for generating direction information of an omnidirectional image can include the steps of: a direction information processing device receiving direction information of an omnidirectional image; and the direction information processing device setting a direction indicator with respect to the omnidirectional image on the basis of the direction information, wherein the direction indicator can indicate at least one direction on a playback screen of the omnidirectional image.