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.
