The invention relates to a publicizing platform and in particular relates to a three-dimensional broadcasting van. The three-dimensional broadcasting van comprises a base, wherein a rolling wheel is mounted at each of four corners of the lower end part of the base; a platform is integrally mounted above the base; a rotary shaft is integrally mounted in the middle of an upper end; the rotary shaft is connected with an output end of a motor; an annular guide rail is mounted at the outer side of the upper end of the platform in a manner of being concentric to the rotary shaft; a rotary platform overlaps the annular guide rail; a plurality of guide wheels are mounted at the bottom of the rotary platform; each guide wheel is mounted on the annular guide rail in a sliding manner; the center of the rotary platform and the rotary shaft are fixedly mounted and rotate concentrically; and one circle of LED (Light Emitting Diode) screen is integrally mounted on an outer side surface of the rotary platform.