The X-ray digital imaging method is basically the same as the X-ray film photography method; the film photography method is to penetrate the workpiece with a line, part of the X-ray energy is absorbed by the material, and the remaining X-ray energy passes through the workpiece to make the film photosensitive. The blackness difference image is generated on the negative film to achieve the detection purpose. The X-ray digital imaging method also uses X-rays to penetrate the workpiece, part of the energy wave material is absorbed, and the remaining X-ray energy is converted into a visible image by the image intensifier. After calculation and processing, observe the test results on the monitor screen.