Three dimensional regulating seat

The utility model discloses a three dimensional adjusting seat which comprises an X direction fine adjustment component,a Y direction fine adjustment component, a Z direction fine adjustment component, a fixing seat and an oscillating bearing. The X direction fine adjustment component is fixedly connected with an oscillating bearing inner ring; an oscillating bearing outer ring is integrated with a fixing seat; one end of the X direction fine adjustment component is used for fixing an object which needs to be adjusted, and the other end thereof is an X direction regulator; one end of the Y direction fine adjustment component pushes against the X direction fine adjustment component, and the other end thereof is a Y direction regulator; and Z direction fine adjustment component pushes against the X direction fine adjustment component and the other end thereof is a Z direction regulator. The utility model has the advantages of simple structure, high sensitivity and positioning accuracy.