The invention mainly provides a vision auxiliary tool for enhancing light. The vision auxiliary tool comprises a first reflecting mirror, a second reflecting mirror and a third reflecting mirror, wherein the first reflecting mirror is arranged in a first position at a cornea of a user; the second reflecting mirror is arranged in a second position on the cornea of the user; the third reflecting mirror is arranged right in front of the eyes of the user; the first reflecting mirror and the second reflecting mirror reflect and concentrate external light to the third reflecting mirror, and then thethird reflecting mirror reflects the concentrated light to the eyes of the user, so that the strength of the external light received by the eyes of the user is enhanced.