Prefabricated combined greening road barrier

The utility model discloses a prefabricated combined greening road isolation pier which comprises a connecting body, an isolation pier body and a planting pot, an inverted convex groove is formed in the top of the connecting body, when the prefabricated combined greening road isolation pier is used, the planting pot is arranged at the upper part of the inverted convex groove, and the lower space of the planting pot is a water storage tank; water leakage holes are formed in the planting pot bottom plate and can also be used for inserting water absorption fiber rods, the upper portions of the water absorption fiber rods are located in an inner cavity of the planting pot body, and the lower ends of the water absorption fiber rods are located at the bottom of the water storage tank. A plurality of overflow pipes are upwards arranged at the bottom of the water storage tank at certain intervals; and the overflow pipe is connected with the planting groove, penetrates through the road barrierbody up and down and fina