The utility model discloses a coal mine tunnel tunnelling face surrouding rock deformation monitoring devices, including the probe rod, still include a plurality of protective case, through telescopicbushing between each protective case, one of them outer end that lies in the protective case of tip is connected with sealing to fill in through telescopic sleeve pipe, and the probe rod lies in protective case, and the probe rod both ends are provided with an induction coil and the 2nd induction coil respectively, are provided with the clearance between the adjacent protective case, protective case and seal and be provided with the clearance between the stopper, telescopic set of inside pipe wall circumference is provided with the probe. The utility model discloses the precision is high, theinstallation AND operation is simply convenient, can utilize by manifold cycles.