The　electrides　of　[Ca24Al28O64](4+)(4e(-))　(C12A7:e(-))　was　quickly　fabricated　by　Ca,　Al　organic　powder　precursor　through　spark　plasma　sintering　(SPS)　at　750　degrees　C　for　10　min.　There　exist　a　large　amount　of　reducing　gas　CO　generated　by　heating　Ca,　Al　organic　powder　acting　as　a　perfect　reducing　agent　in　the　high-energy　DC　pulse　current　and　DC　electric　field　of　the　SPS.　By　analyzing　the　phase,　elements,　structural　composition,　and　electronic　state　of　the　sample,　it　is　found　that　the　phase　and　elemental　composition　of　the　sample　meet　the　standard　C12A7:e(-)　and　the　density　of　the　sample　is　more　than　99%.　The　EPR　results　show　that　the　sample　has　a　sharp　absorption　peak　at　a　magnetic　field　strength　of　about　352　mT,　and　the　ratio　of　the　maximum　value　to　the　minimum　amount　of　the　absorption　peak　is　2.67.　This　EPR　curve　with　Dyson　characteristics　indicates　that　there　is　a　high　density　of　unpaired　electrons　inside　the　sample.　The　sample　showed　a　significant　ultraviolet　absorption　peak　at　2.5　eV,　and　the　calculated　electron　concentration　of　the　sample　reached　2.3　x　10(21)cm(-3).　TG/DTA,　Raman　spectroscopy,　and　XPS　result　further　fully　proved　the　successful　fabrication　of　C12A7:e(-).　The　electronic　structure　of　C12A7:e(-)　calculated　using　the　first-principles　show　that　the　CCB　of　C12A7:e(-)　not　only　traverses　the　Fermi　surface　as　a　whole,　but　also　shows　a　narrower　state　with　a　smaller　effective　mass　of　electron　transition,　and　the　energy　between　CCB　and　FCB　is　0.68eV.　This　indicates　that　C12A7:e(-)　has　excellent　electrical　transport　characteristics　like　typical　metals,　which　mainly　from　the　contribution　of　s-state　electrons　of　Ca　atoms　and　p-state　electrons　of　Al　atoms.　The　theoretical　results　support　our　experiments.　This　fabricating　method　makes　rapid　large-scale　production　of　C12A7:e(-)　with　high　electron　concentration　possible.