Abstract: A golf information service device of the present invention includes: a case that accommodates components and a battery supplying power to the components; a GPS module that generates position information, using satellite signals; a storing unit that stores golf course information including hole information and target information; a distance calculator that extracts a hole corresponding to the position information in accordance with first input through an operation button, using the position information and the golf course information, and calculates the distance from the current location of the found-out hole to a target; and a distance guide that lets a user know the calculated distance only by a voice. Therefore, it is possible to downsize a device for providing various pieces of golf-related information.