The　data　in　this　article　mainly　present　the　sequences　of　activated　sludge　from　a　full-scale　municipal　wastewater　treatment　plant　(WWTP)　carrying　out　simultaneous　nitrogen　and　phosphorous　removal　in　Beijing,　China.　Data　include　the　operational　conditions　and　performance,　dominant　microbes　and　taxonomic　analysis　in　this　WWTP,　and　function　annotation　results　based　on　SEED,　Clusters　of　Orthologous　Groups　(COG),　and　Kyoto　Encyclopedia　of　Genes　and　Genomes　(KEGG)　databases.　Sequencing　data　were　generated　by　using　Illumina　HiSeq.　2000　platform　according　to　the　recommendations　of　the　manufacturer.　The　sequencing　data　have　been　deposited　in　MG-RAST　server　(project　ID:　mgm4735473.3).　For　more　information,　see　“Unraveling　microbial　structure　and　diversity　of　activated　sludge　in　a　full-scale　simultaneous　nitrogen　and　phosphorus　removal　plant　using　metagenomic　sequencing”　by　Guo　et　al.　(2017)　[1].　©　2017　The　Authors