The present invention relates to a device for treating domestic sewage discharged from homes, rest areas, military units, recreational forests, etc., in particular, to provide an eco-friendly sewage treatment device that is easy to install and maintain using natural ecology and is easy to manage. .;The sewage treatment apparatus using the return wetland method of the present invention is an advanced treatment apparatus for treating living sewage containing eutrophic substances, such as nitrogen and phosphorus, with microorganisms and wetland plants. 3) Flow control tank (2) which regulates the flow rate to be supplied to the tank, trench (3) which decomposes odorous substances by anaerobic microorganisms under anaerobic conditions, and filtration tank (4) which decomposes organic matter by aerobic microorganisms inhabiting crushed stone (19). ), Wetland (5) for absorbing and removing undegraded organic matter from the filter tank (4), pond (6) for storing the treated water discharged from the wetland (5), treated water in the pond (6) The first conveyance pipe 8 which conveys to the flow control tank 2, the 2nd conveyance pipe 10 which conveys the sediment of the pond 6 to the septic tank 1, etc. are comprised.;The sewage treatment apparatus using the return wetland method of the present invention is eco-friendly because it can be installed to the topographical conditions using natural ecology, and organic matter in sewage is removed by microorganisms and wetland plants. Maximized. In addition, it requires less installation and maintenance costs, and there is no need for a technician for operation because wastewater is treated according to a natural purification process.
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