Metal　cone　of　the　screw　rotor　and　stator　rubber　bushings　are　the　two　main　components　of　the　opposed　biconinal　cone　screw　hydraulic　pump　for　the　seawater.　The　stator　rubber　bushing　is　not　only　a　damageable　element,　but　also　the　key　component　deciding　the　service　life　and　efficiency　of　the　pump.　Up　to　date,　none　effective　method　has　been　found　for　testing　the　deformation　and　enforced　state　of　the　stator＇s　rubber　under　the　real　working　condition.　For　the　general　conventional　screw　stator　with　uniform　internal　pressure　at　both　ends　of　the　stator　bushing　enforced　and　deformed　almost　the　same,　as　to　other　case　when　the　cone　screw　pump　stator　has　rubbers　with　different　cross-sectional　size　and　thickness　at　its　different　end,　the　enforcing　and　deforming　state　at　different　end　varies　differently.　The　stator　of　the　opposed　biconinal　cone　screw　hydraulic　pump　is　studied　in　this　paper　for　the　case　when　the　stator　is　uniformly　enforced,　using　finite　element　analyzing　software　ANSYS-Workbench,　this　study　concluded　the　stress,　the　strain　and　inner-figure　deformation　of　the　screw　hydraulic　pump　stator,　the　stator　rubber　and　the　stator　steel　thimble.　Besides,　the　characteristics　and　rules　of　opposed　biconinal　cone　screw　hydraulic　pump　deformation　are　summarized　as　well.