Objective:　Modified　B-T　shunt　(MBTS)　and　central　shunt　(CS)　are　two　common　surgical　procedures　for　the　treatment　of　tetralogy　of　fallot　(TOF).　The　purpose　is　to　analyze　and　compare　the　hemodynamic　features　of　MBTS　and　CS.　Methods:　3D　anatomy　was　reconstructed　by　medical　images　obtained　from　a　patient　with　TOF,　and　two　computational　models　were　generated　through　virtual　operations.　A　lumped　parameter　model　was　constructed　to　predict　the　post-operational　boundary　conditions.　Computational　fluid　dynamics　(CFD)　was　performed　for　the　two　models.　Results:　A　persistent　pulmonary　blood　perfusion　was　observed　in　each　model　both　during　the　systolic　phase　and　diastolic　phase,　but　the　maximum　velocities　in　the　shunt　were　different　for　the　two　models.　The　pressure　drop　of　the　shunt　in　CS　model　was　higher　than　that　in　MBTS　model.　The　wall　shear　stress　of　the　shunt　in　the　MBTS　model　ranged　unevenly　from　0.025　to　340　Pa,　while　the　wall　shear　stress　in　CS　model　ranged　relatively　evenly　from　32.2　to　72.6　Pa.　Conclusions:　Pulmonary　artery　blood　was　increased　effectively　for　both　options.　The　blood　perfusion　of　right　upper　extremity　was　decreased　in　the　MBTS　model.　More　blood　was　directed　into　the　pulmonary　artery　in　CS　model.　Attention　should　be　paid　to　the　fact　that　the　pressure　gradient　was　large　at　the　proximal　anastomosis　in　both　models　in　clinic.　This　study　provides　important　theoretical　references　for　surgeons　to　make　choice　from　the　surgery　options　in　the　treatment　with　TOF.