The　current　finite　element　analysis　of　vascular　stent　expansion　does　not　take　into　account　the　effect　of　the　stent　release　pose　on　the　expansion　results.　In　this　study,　stent　and　vessel　model　were　established　by　Pro/E.　Five　kinds　of　finite　element　assembly　models　were　constructed　by　ABAQUS,　including　0　degree　without　eccentricity　model,　3　degree　without　eccentricity　model,　5　degree　without　eccentricity　model,　0　degree　axial　eccentricity　model　and　0　degree　radial　eccentricity　model.　These　models　were　divided　into　two　groups　of　experiments　for　numerical　simulation　with　respect　to　angle　and　eccentricity.　The　mechanical　parameters　such　as　foreshortening　rate,　radial　recoil　rate　and　dog　boning　rate　were　calculated.　The　influence　of　angle　and　eccentricity　on　the　numerical　simulation　was　obtained　by　comparative　analysis.　Calculation　results　showed　that　the　residual　stenosis　rates　were　38.3%,　38.4%,　38.4%,　35.7%　and　38.2%　respectively　for　the　5　models.　The　results　indicate　that　the　pose　has　less　effect　on　the　numerical　simulation　results　so　that　it　can　be　neglected　when　the　accuracy　of　the　result　is　not　highly　required,　and　the　basic　model　as　0　degree　without　eccentricity　model　is　feasible　for　numerical　simulation.　Copyright　©　2018　by　Editorial　Office　of　Journal　of　Biomedical　Engineering.