Urban environmental protection greening column

An urban environmental protection greening column comprises a first cylinder, a second cylinder, a positioning mechanism, a first fixing plate, a filtering mechanism, a stone column, a positioning ring and a second fixing plate. The first cylinder is arranged on the inner side of the second cylinder. The second fixing plate is arranged at the upper end of the first cylinder and the upper end of the second cylinder. The positioning mechanism comprises a positioning plate and a positioning rod, the positioning rod is arranged at the upper end of the positioning plate, and the positioning plate is fixed to the upper end of the second fixing plate through a screw. The first fixing plate is arranged at the upper end of the second cylinder. A groove is formed in the inner side of the first fixing plate and provided with an inclined surface. The filtering mechanism comprises a filtering screen, a filtering film and a water pipe, and the filtering screen is arranged at the upper end of the filtering film and the upper end of the water pipe. A round hole is formed in the inner side of the first fixing plate, and the filtering mechanism is arranged at the upper end of the round hole. The upper end and the lower end of the stone column are provided with inner concave circles used for being connected with the positioning mechanism and the positioning ring. The urban environmental protection greening column has the advantages of overcoming environmental disadvantages, being attractive in appearance and achieving the energy conservation and environmental protection effects.