The utility model discloses a tunnel surrouding rock deformation monitoring devices, including bed frame, monitoring frame and monitoring dish, the base is installed to the top of bed frame, and the inside pneumatic cylinder that all is provided with in the left and right sides of base, penumatic telescopic rod is installed to the top of pneumatic cylinder, and the competent base station of penumatic telescopic rod's top welding, the centre of monitoring frame is fixed with the bracing piece, and monitors chord position in the top of horizontal base station, the anchor strut is all installed to the left and right sides of bracing piece, and the outside of anchor strut is provided with damping spring, the telescopic link is installed to the top of monitoring frame, and the top of telescopiclink is provided with horizontal measuring staff, the front side of horizontal measuring staff is fixed with the probe rod, the surface mounting of monitoring dish has the tablet, and the monitoringdish lies in the right side that the monitoring was put up. This tunnel surrouding rock deformation monitoring devices is great to the monitoring range of tunnel country rock, and monitoring results is more accurate, and it is less that self structure is influenced by external vibrations, and the error is less.