Ecological wetland system for improving rural environment

The invention belongs to the technical field of sponge villages, and provides an ecological wetland system for improving a village environment. The system comprises a water collecting part, a water purifying part and a water draining part which are matched with one another. And the water collecting part comprises a water collecting tank. The water purifying part comprises a water inlet pipe, a first filtering area, a second filtering area, a third filtering area, a fourth filtering area, a first water distribution ring, a second water distribution ring and a plurality of first blocking pieces. The drainage part comprises a first drainage pipe, a second drainage pipe, a communicating pipe, a linear outflow groove, an annular outflow groove, a first nutrition tank, a second nutrition tank and a third nutrition tank. Through mutual cooperation of the water collecting part, the water purifying part and the water draining part and targeted arrangement of a series of specific structures, a sponge facility with comp