Disclosed are a glass-type portable device and a method of searching an information projecting side thereof. In occurrence of information to be displayed, a screen at which a user is staring is analyzed. Candidate UI regions, on which the information is to be displayed on the analyzed screen, are set. An optimum UI region which satisfies a preset condition is selected from the candidate UI regions. Then the information is displayed on the optimum UI region. Under such configuration, the glass-type portable device can effectively display information without blocking a user's view.