Packaging box special for detection instrument

The utility model discloses a packaging box special for a detection instrument, which comprises a bottom plate with a rectangular structure and a top plate arranged above the bottom plate, fixed sideplates are vertically arranged on two sides of the bottom plate along the length direction and one side of the bottom plate along the width direction, the top ends of the fixed side plates are connected to the top plate, and the bottom plate, the fixed side plates and the top plate form a box body structure with a side opening. A movable side plate is arranged on the side opening and can open or close the side opening; side anti-collision plates are arranged on the inner walls of the fixed side plate and the movable side plate, the top plate is further connected with a limiting mechanism, thelimiting mechanism comprises a limiting plate and a height adjusting mechanism connected with the limiting plate, and the limiting plate is arranged between the top plate and the bottom plate. According to the utility model, t