Ecological silt intercepting device for farmland ditch

The utility model discloses an ecological interception silt settling device for a farmland ditch. The ecological interception silt settling device comprises a permeable dam and a silt settling assembly, the permeable dam is arranged in the ditch, the permeable dam is of a hollow box structure, and an adsorption material is contained in the permeable dam; the permeable dam has permeable capacity in the water flow direction; the mud settling assembly is located on the upstream of the permeable dam, is arranged close to the permeable dam and comprises a mud settling bottom plate and a mud settling bag, the mud settling bag is arranged on the mud settling bottom plate, a mud settling bag hanging rope is connected to the mud settling bag, and the mud settling bag hanging rope extends out of the water surface of the ditch. The ecological silt intercepting device is simple in structure and convenient to maintain in the later period, so that the ecological silt intercepting device has a long-term stable intercepting