Provided is a method including a location-sharing acquaintance registration process, a location-sharing acquaintance location information receiving process in which the acquaintance location sharing application receives location information of location-sharing acquaintances present within a preset proximity radius from a current location of the user from the location information providing server, a location-sharing acquaintance distance display process in which the acquaintance location sharing application displays only the number and separation distances of location-sharing acquaintances present within the proximity radius of the user without identification information of the location-sharing acquaintances as long as the location-sharing acquaintances are present within the proximity radius, and a paid location-sharing acquaintance identification information providing process in which the acquaintance location sharing application provides the identification information of the location-sharing acquaintances present within the proximity radius of the user in return for a payment.