A　series　of　porous　scaffolds　of　piezoelectric　ceramic　barium　titanate　(BaTiO3)　were　successfully　fabricated　by　Digital　Light　Processing　(DLP)　3D　printing　technology　in　this　work.　To　obtain　a　high-precision　and　high-purity　sample,　the　debinding　sintering　profile　was　explored　and　the　optimal　parameters　were　determined　as　1425　degrees　C　for　2h.　With　the　increase　of　scaffolds　porosity　from　10%　to　90%,　the　compressive　strength　and　piezoelectric　coefficient　(d33)　decreased　gradually.　The　empirical　formulas　about　the　mechanical　and　piezoelectric　properties　were　obtained　by　adjusting　BaTiO3　ceramics　with　different　porosity.　In　addition,　the　distribution　of　potential　and　stress　under　100　MPa　pressure　were　studied　by　the　finite　element　method　(FEM).