Disclosed is a method for providing a service to MS (Mobile Station) according to a service quality in a service system including MS, BTS (Base Transceiver System) that can communicate with the MS, and a profile server for storing service quality profile information for the MS. The profile server comprises storing identification information indicating a user of the MS along with service quality profiles for the services that can be provided to the MS; and upon receipt of an MS information request from the BTS scheduled to service the MS, providing service quality profiles for the MS to the BTS, and providing a service required by the MS according to a service quality profile for the service.