In　recent　years,　large　amount　of　plastics　have　caused　a　wide　distribution　in　the　world.　The　thesis　focuses　on　this　challenge　and　tries　to　investigate　the　transportation,　transference　and　degradation　rules　of　toxic　and　harmful　organic　matter　in　two　wastewater　treatment　plants　(WWTP)　at　Harbin　by　using　liquid-liquid　extraction　(LLE)　and　solid　phase　extraction　(SPE).　Choosing　environment　hormone-phthalate　acid　esters　(PAEs)　as　research　objects,　the　presence,　transportation　and　degradation　of　PAEs　are　investigated　in　secondary　and　advanced　treatment　process.　This　research　indicate　that　most　organic　pollutants　can　be　removed　by　secondary　treatment　plant,　the　removal　ratio　of　trace　organic　pollutant　is　79%-94%　for　Taiping　WWTP,　88%-90%　of　removal　ratio　for　Wenchang　WWTP.　The　organic　species　numbers　detected　in　the　two　WWTP　are　73　and　70　by　means　of　LLE,　87　and　101　by　means　of　SPE,　respectively.　The　total　numbers　of　organic　pollutants　detected　in　this　study　are　102,　among　which　12　species　are　belong　to　Stress　control　pollutants　in　water　environment　by　USEPA　and　6　species　belong　to　China　priority　controlled　pollutant　in　black　lists.　Most　pollutants　in　effluent　are　PAEs.