The invention discloses a two-dimensional non-magnetic optical adjusting device comprising a three-layer-in-one thin plate structure and bolts. On the basis of the resilience of gaps between three layers of thin plates, two-dimensional adjustment and locking are realized by cooperating one group of screw holes and through holes; and a to-be-adjusted optical sleeve is locked at the through holes atthe thin plates centers by two intersected screw holes. Compared with the prior art, the adjusting device has advantages of simple structure, good non-magnetic effect, and good easy-to-adjust and easy-to-lock performances.