The utility model discloses a portable exhibition plate bracket, the on -line screen storage device comprises a base, install two at least spinal branch vaulting poles on the base, install the telescopic link in the bracing piece, the telescopic link is connected through the removal is vice with the bracing piece, the mounting plate is installed to telescopic link one end, install the bottom plate on the bracing piece, the bottom plate is connected through the removal is vice with the bracing piece, the base design is hollow structure. Through design telescopic link and bracing piece to with telescopic link and bracing piece through removing vice the connection, widened the range of application of panel support, use convenience more, through with base design for well casement structure, fetch water or the base is put into to sand nearby at the during operation can to realize the panel support, the overall stability of reinforcing panel support when the panel support is out of work, discharges water in the base or sand nearby, the weight of reduction base is conveniently carried, through design the sucking disc below the base, further strengthen the stability of panel support.