Big　data　attracts　attention　of　academia　and　industry.　According　to　the　basic　features　of　big　data　and　current　challenges,　the　typical　big　data＇s　technologies　of　big　data　file　system　were　presented.　The　storage　strategy,　resource　schedule,　big　data　computing　framework,　and　especially　hot　techniques　were　distributed.　Last,　this　paper　points　out　two　possible　research　directions,　which　are　improving　compute　efficiency　through　data　semantic　and　processing　temporal-spatial　big　data　efficiently.　©　2017,　Editorial　Department　of　Journal　of　Beijing　University　of　Technology.　All　right　reserved.