The utility model discloses a fluid pressure type reamer and recoverer, including center tube and the cutter body of axis along the extension of upper and lower direction, center tube upper end is connected with the recovery tube, is equipped with in the recovery tube to be used for the connection structure that is connected with corresponding recoverer anticreep when the card is met to the reamer, be connected with on the center tube be used for right spacing spacing is fixed to the cutter body. The fluid pressure type reamer is when the reaming hole operation, if when meetting the cutter body card and dying the accident, can insert the recovery tube of reamer with the recoverer in, recoverer and the recovery tube back that links together lifts the recoverer and drives the center tube rebound, forces to drive the cutter body and shifts up, realizes the unfreezing of reamer through the mechanical force.