Portable folding plate

The utility model discloses a portable folding plate which comprises a folding device and a fixing device. The folding device is provided with a left panel, a middle panel, a right panel and hinges. The fixing device is provided with a rotary lug, rotary cylinders, a left connection rod, a middle connection fork rod, a right connection rod, a fixed lug, pins, telescopic grooves, sliding blocks, cylindrical insertion rods, stop block sliding grooves, stop blocks, a belt shaft and a binding band. The portable folding plate is simple and clear in structure, the area is increased by means of the three panels, the area of the whole plate is reduced by two third after the folding plate is folded and contracted due to the telescopic fixing insertion rods at the lower end and the folded fixing binding band, and the portable folding plate is convenient to carry, can be used on various occasions and is convenient to use and high in adaptability.