Plastic label convenient to fix

The utility model provides a plastic label convenient to fix, which comprises a base and two label bodies, a supporting rod is arranged on the base, a lantern ring is fixedly sleeved on the supporting rod, two clamping seats are arranged on the lantern ring, T-shaped clamping grooves are arranged on the clamping seats, a T-shaped clamping block is arranged on one side of each label body, and a T-shaped clamping groove is arranged on the other side of each label body. The T-shaped clamping blocks correspond to the T-shaped clamping grooves, the supporting rod is sleeved with cover plates corresponding to the two T-shaped clamping grooves, and the supporting rod is in threaded fit with a claw nut. The T-shaped clamping blocks on the sign bodies are clamped into the T-shaped clamping grooves in the clamping seats in a sliding mode, then the T-shaped clamping grooves are covered with the cover plates, then the cavel nuts are rotated to position the cover plates, then the two sign bodies can be conveniently and ra