An artificial ecological wetland system for processing septic tank sewage, comprising a grated filter tank (1), a regulation tank (2), an anaerobic hydrolysis tank (3), an aerobic biochemical tank (4), a sedimentation sludge removal tank (5), and an artificial wetland tank (6). A water intake pipe (7) is connected to the grated filter tank (1), and a water drain pipe (8) is connected to the artificial wetland tank (6). A tertiary tank of a septic tank is connected to the grated filter tank (1) by means of a sewage lift pump, and the grated filter tank (1), the regulation tank (2), the anaerobic hydrolysis tank (3), the aerobic biochemical tank (4), the sedimentation sludge removal tank (5), and the artificial wetland tank (6) are sequentially connected by means of a transport pipe (9). A grated filter screen (11) is provided inside the grated filter tank (1), and sewage is filtered through the grated filter screen (11) and flows into the regulation tank (2). A filter cartridge (21) is provided inside the regulation tank (2), and the sewage, in the regulation tank (2), enters a bottom portion of the anaerobic hydrolysis tank (3) via the filter cartridge (21).
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