This　paper　has　analyzed　the　emphasis　of　EIA　of　the　wastewater　treatment　plant　project　based　on　its　characteristics.　Results　show　that,　for　environmental　impact　evaluation　of　the　urban　sewage　treatment　plants,　these　are　the　emphasis　of　EIA　such　as　rationality　of　site　selection,　comparison　of　tail-water　outfall　option,　analysis　of　water　quality　and　quantity,　sewage　treatment　processa,　feasibility　analysis　of　tail-water　compliance.　©　2011　IEEE.