Constructed wetland uniform water distribution device

The utility model discloses a constructed wetland uniform water distribution device which comprises a device main body, connecting pipes are arranged at the two ends of the device main body, a uniformwater distribution mechanism is arranged on the inner sides of the connecting pipes, a backwashing mechanism is arranged at the upper end of the connecting pipe at the rear end, and a water inlet pipe is arranged at the upper end of the connecting pipe at the front end; a sealing cover is arranged at an opening of the connecting pipe, soil is arranged on the outer surface of the uniform water distribution mechanism, the uniform water distribution mechanism comprises a water distribution pipe and water distribution holes formed in the upper end of the water distribution pipe, the water distribution holes are fixedly connected with the water distribution pipe, and the water distribution holes are communicated with the water distribution pipe. And the backwashing mechanism comprises a backwashing pipe, a connecting