The utility model provides an instrument protector for blasting vibration test in tunnel, including at least one protection stick, the protection stick includes protection casing, connecting piece andanti -collision part spare, and the protection casing is equipped with the draw -in groove that is used for the card to hold the baffle by the box structure of last roof, lower plate, left side board, right side board, preceding door plant and baffle formation on the inner wall of left side board and on the inner wall of right side board relatively, and the connecting piece includes stock jack and stock, anti -collision part spare includes polylith anticollision board, all is equipped with crashproof board on the lower plate and on the baffle. Use the technical scheme of the utility model, the effect is: (1 ) overall structure retrencies, be convenient for preparation and use, (2 )Can prevent that the sensor from dropping and damaging from the side wall, (3 )The destruction of blasting flyrock to the vialog can prevent, (4 )Can reduce the influence of blasting shock wave to test auxiliary device, (5 )Can reduce the vibrations of vialog host computer, (6 )Prevent the interference to the test of on -the -spot constructor and other accidentalia.