The utility model provides a foldable display prop, which relates to the field of display props and comprises a supporting mechanism, the supporting mechanism comprises a supporting plate, a storage groove and a first clamping groove, and a folding mechanism is arranged on the inner wall of the supporting mechanism. The folding mechanism comprises a first folding plate, a second folding plate, a moving groove, a connecting spring, a moving plate, a moving block, an inserting rod, a second clamping groove and a rotating block, and a storage mechanism is arranged at the top of the folding mechanism and comprises a storage plate, a fixing groove, an electric telescopic rod, a stabilizing plate, a spring groove, a reset spring, a sliding plate and a clamping plate. According to the device, a moving block is loosened, an inserting rod is driven to enter a first clamping groove and a second clamping groove again through reset of a connecting spring, then a first folding plate and a second folding plate are stabilized, through arrangement of the first folding plate, the second folding plate and a rotating block, the whole device is convenient to store and stabilize, and the space occupied by device storage is reduced.