This invention relates to a golf lesson apparatus and server by using intrinsic location and user authentication which is installed at each tee box of golf courses or driving ranges. This invention aims simple and easy correction of user's swing posture, and is comprised of: the Wireless Communication Part which authenticates users with the user's RFID ID card; the Motion Detection Part which records user's swing posture; the Data Storage Part which stores the video of the user's swing posture; the Key Input Interface Part which receives user's command; the Display Part which shows the video of the user's swing posture on real time basis and the video of analysis and lesson on user's swing posture transmitted from the golf lesson server; the Network Interface Part which connects the golf lesson server via wired/wireless networks; and the Control Part which provides the services linked with the Golf Lesson Server.