The invention provides an industrial radiographic inspection negative plate digitization device; the problems that the external form of the device is disproportional, the negative plate transmission is deflected and the negative plate is scratched when being transmitted can be effectively solved by light path reflection, inlet guidance and shading linkage, and the negative plate transmission of pair rollers; the industrial radiographic inspection negative plate digitization device comprises a guiding and shading linkage mechanism, an optical fiber light source machine and a digitization module; a linear optical fiber lamp holder emits light rays which are downward vertically through an upper reflection mirror, after the light rays trans-illuminates the radiographic inspection negative plate which moves horizontally, and then the light rays are changed into horizontal light rays after being reflected by a lower reflecting mirror, the light rays are converged by a lens and are focused on a linear array CCD to carry out digitization shooting process. A pair roller delivery mechanism is arranged at the middle part of the digitization device, the negative plate enters in horizontally and is discharged obliquely, so as to ensure the device to be used conveniently and cause the negative plate not to be scratched; the guiding and shading linkage mechanism is the inlet of the negative plate to ensure the negative plate direction to be forward and shade the light rays outside the negative plate.