Folding warning device

The utility model discloses a folding warning device, and relates to the technical field of warning devices. The folding warning device comprises supporting plates and a folding mechanism, the three supporting plates are annularly distributed, and the folding mechanism is arranged on the supporting plates, comprises a first connecting block, a first connecting rod, a second connecting rod, a first fixing block, a second connecting block and a first rotating rod and is used for controlling the first fixing block to move longitudinally. According to the device, the adjusting device is adjusted to be folded or unfolded, so that the device is convenient to store and carry, a threaded block is taken down from a second fixing block by rotating the threaded block, the device can be further disassembled, the warning board can be replaced, meanwhile, the device is more convenient to store, and the practicability is high. And the fixing plate is mounted on the supporting plate, so that the device is fixed to the ground