The utility model discloses a plastic pipe clamp which comprises a pipe clamp base and a C-shaped clamp ring separated from the pipe clamp base. The pipe clamp base is a square pipe of a circular hole, and a steel nail is arranged in the circular hole. One end of the pipe clamp base is bonded with a soft rubber layer, and the outer side wall of the pipe clamp base is provided with a clamping groove. The C-shaped clamp ring is matched with the clamping groove and is provided with a clamp head, and one end of the clamp head is provided with a block head which is larger than the clamping slot in size. The pipe clamp base is separated from the clamp ring, and the pipe clamp base and the clamp ring are fixed separately so as to guarantee completeness and durability of the clamp ring.