The　effect　of　stress　history　under　three　dimensional　stress　conditions　are　one　of　the　important　phenomena　which　have　to　be　evaluated　for　the　accurate　prediction　of　ground　deformation.　Various　stress-controlled　drained　monotonic　shear　tests　on　the　Chinese　Fujian　standard　sand　of　relative　density　30%　under　complex　stress　conditions　with　different　stress　paths　are　conducted　using　the　soil　static　and　dynamic　universal　triaxial　and　torsional　shear　apparatus.　The　mean　principal　stress　is　controlled　unchanged　in　the　process　of　tests.　The　stress　history　conditions　are　varied　so　that　their　influences　on　shear　strength　and　stress-strain　relationship　of　saturated　sand　are　explored.　Test　results　show　that　under　drained　condition　sand　specimens　with　stress　history　of　different　type　do　not　change　their　shear　strength　for　a　given　mean　principal　stress.　On　the　other　hand,　the　stress-strain　characteristics　behaved　differently　with　respect　to　the　stress　history.　The　elastic　locus　varied　with　stress　history　has　directional　and　stress　condition　effects.　Finally,　introducing　predominant　parameters　for　the　difference　of　the　direction　and　the　stress　condition　between　stress　history　and　shear　process,　as　well　as　taking　into　account　the　experimental　results,　the　elastic　boundary　space　due　to　the　stress　history　is　expressed　under　three　dimensional　stress　conditions.