Abstract: The present invention relates to a device for detachably fixing a lens on goggles including: a detachable fixing member having a plurality of metal pieces adapted to be insertedly fixed to a plurality of equally spaced insertion grooves formed along a frame rim and a plurality of permanent magnets adapted to be insertedly fixed to a plurality of equally spaced insertion grooves formed along a lens rim on the same line as the plurality of metal pieces insertedly fixed along the frame rim in such a manner as to be coupled and separated to and from the plurality of metal pieces; and clip members adapted to be fixed to both sides of the frame so as to rigidly fix the lens to the frame.