Provided is a method for correcting a non-line-of-sight (NLOS) error in a wireless positioning system that enhances the location accuracy of a mobile station by correcting location error caused by NLOS propagation when the mobile station is positioned in a wireless mobile communication environment, and a computer-readable recording medium for recording a program that implements the method. The method checks out the location of the MS in the above environment and provides diverse services by correcting the location error caused by NLOS propagation included in a received signal. That is, a user can enjoy a high-quality location service by receiving the location information only within the radius which user wants, such as traveler's information, vehicle tracking, location service, and location-based advertisements, because the location of the user's MS is detected precisely.