Wetland purification pond

The utility model relates to a wetland purification pond, a water inlet communicated with an upstream water body is arranged on a side slope of the wetland purification pond, a water distribution gabion wall is arranged in the water inlet along the transverse direction, the highest water level height of the wetland purification pond is lower than that of the upstream water body, and the top surface height of the water distribution gabion wall is the same as that of the upstream water body. The wetland purification pond is provided with a purification pond overflow weir, and the top surface height of the purification pond overflow weir is the same as the highest water level height of the wetland purification pond. The device has the functions of retention and water purification for incoming water (mainly urban rainwater), can absorb urban rainwater and reduce the risk of urban waterlogging, can effectively filter and dilute pollutants in the water and absorb and degrade harmful substances in the water in the r