Disclosed is a banner stand adapted to attach to and detach from a glassy surface. The banner stand includes a vacuum suction plate made of a soft material, a suction latching protrusion protruding from the vacuum suction plate; a lower support having a slanted lateral wall portion formed along a peripheral edge of an upper end of a base ring portion, the slanted lateral wall portion having operation ribs extending thereon at an interval; a suction plate operation member having rib guide protrusions guided on the operation ribs, a suction latching protrusion support, and a ball joint coupler; and a pole support having a pair of ball joints positioned on a bottom surface of a body so as to be coupled to the ball joint coupler of the suction plate operation member.