Based　on　the　field　investigation　and　analysis　of　the　current　situation　and　difficulties　of　urban　village　sewage　treatment　in　Beijing-Tianjin-Hebei　region　represented　by　Beijing　Sub　Center,　this　paper　finds　that　the　progress　of　urban　village　sewage　treatment　generally　lags　behind　the　development　speed　of　urban　construction.　The　main　problems　are　the　lack　of　sewage　collection　and　treatment　facilities,　complex　pollution　sources　and　difficult　treatment,　among　which　non-point　source　and　overflow　pollution　have　gradually　become　the　main　problems　The　main　problem　of　water　environment　management　in　urban　villages.　Aiming　at　the　current　situation　and　difficulties　of　urban　village　sewage　treatment　in　Beijing　Tianjin　Hebei　region,　this　paper　proposes　a　river　pollution　reduction　technology　based　on　independent　drainage　unit　in　rainy　season,　and　carries　out　relevant　demonstration　project　application　in　beisizhuang　village　of　Tongzhou　District,　which　provides　a　new　solution　for　small　and　micro　water　treatment,　non-point　source　and　Overflow　Pollution　Control　of　urban　village.　©　2022　Science　Press.　All　rights　reserved.