Portable display board

The utility model discloses a portable display board, and relates to the technical field of display appliances. The portable display board comprises a box body, the interior of the box body is hollow, a containing groove is formed in the upper surface of the box body, a display board is slidably connected into the containing groove, through grooves are formed in the inner walls of the front side and the rear side of the containing groove respectively, the front side through groove extends out of the front side surface of the box body, and the rear side through groove extends into the box body. A lock catch is arranged on the surface of the front side of the box body, a top cover is rotationally connected to the upper surface of the box body, and a buckle matched with the lock catch is arranged on the top cover, so that when the display board is not used, the display board and an installation structure of the display board can be stored in the box body, and therefore the occupied space of the display board is