The　environmental　behaviors　of　emerging　pollutants,　benzophenone-type　UV　filters　(BP-UV　filters)　and　their　derivatives　were　investigated　in　four　wastewater　treatment　plants　(WWTPs),　and　their　receiving　surface　waters　in　Shanghai.　The　concentration　level　of　selected　BP-UV　filters　in　the　WWTPs　was　detected　from　ng　L-1　to　mu　g　L-1.　BP　(621-951　ng　L-1)　and　BP-3　(841-1.32　x　10(3)　ng　L-1)　were　the　most　abundant　and　highest　detection　frequency　individuals　among　the　target　BP-UV　filters　in　influents,　whereas　BP　(198-400　ng　L-1),　BP-4　(93.3-288　ng　L-1)　and　BP-3　(146-258　ng　L-1)　were　predominant　in　effluents.　BP-UV　filters　cannot　be　completely　removed　and　the　total　removal　efficiency　varied　widely　(-456%　to　100%)　during　the　treatment　process.　It　can　be　inferred　that　the　usage　of　BP　and　BP-3　are　higher　than　other　BP-UV　filters　in　the　study　area.　The　lowest　and　highest　levels　were　BP-2　(ND-7.66　ng　L-1)　and　BP-3　(68.5-5.01　x　10(3)　ng　L-1)　in　the　receiving　surface　water,　respectively.　Interestingly,　the　seasonal　variation　of　BP-3　is　larger　than　those　of　other　BP-UV　filters　in　surface　water　from　Shanghai.　There　is　no　obvious　pollution　pattern　of　BP-UV　filters　in　the　surface　water　from　the　cosmetic　factory　area.　The　correlation　analysis　of　BP-UV　filters　between　WWTPs　effluents　and　nearby　downstream　water　samples　suggested　that　BP-UV　filters　emitted　from　some　WWTPs　might　be　the　main　source　of　receiving　surface　water.　Preliminary　risk　assessment　indicated　that　the　levels　of　BP-UV　filters　detected　by　the　effluent　posed　medium　to　high　risk　to　fish　as　well　as　other　aquatic　organisms.