The utility model relates to a tunnel anchor prestressed pipe fixes a position fine tuning device, horizontal support including level setting, on the horizontal support welding have two with the horizontal vertical support of support vertically, the diameter that highly all is not less than prestressed pipe of two vertical supports, the interval of two vertical supports is greater than prestressed pipe's diameter, horizontal support is located the middle part of the part between the two vertical supports, is equipped with a screw, also be equipped with a screw on the two vertical supports respectively, by the screw on horizontal support below upwards, the spiro union no. 1 vertical adjusting screw parallel with vertical support, inside by the screw on the two vertical supports outside, difference spiro union no. 1 and the horizontal parallel horizontal adjusting screw of support.