The status of image information carried by the non-diffraction beam imaging system is proposed. Based on the Kirchhoff diffraction formula and Fresnel diffraction formula’s angular spectrum theory, the intensity distribution of receiving screen is described using the discrete Fourier method, with image information in the incident plane wave. After adding the dispersion formula and data sampling, a discrete Fourier formula is derived, the related parameters are set and simulated with Matlab software, and the light intensity figures at different positions are obtained. In the experiment, the blue LED is incident on information film and axicon after expanding, and consistent with the numerical simulations. The results observed by CCD and compared to simulation show that the image can be observed completely when the transmission distance within 100 mm and becomes smaller as the distance increases. The experimental results are in fair agreement with the numerical simulation.