Underground measurement while drilling fixing component of probe

The utility model discloses an underground measurement while drilling fixing component of probe, which comprises a fixing hub, a bumper block, and a locknut. The utility model is characterized in that the probe provided with the fixing sleeve is disposed in a nonmagnetic drilling rod; the fixing hub boss is cooperated with the nonmagnetic drilling rod inner wall groove to prevent the probe from rotating and moving towards the inner part of the nonmagnetic drilling rod; the locknut and the other end of the probe are in a threaded connection; the probe can be tensed in the nonmagnetic drilling rod to prevent the axial movement of the probe; a plurality of bumper block groups can be disposed on the periphery of the probe to decrease the vibration.