Due　to　the　increasingly　serious　water　shortage　in　China,　water　conservation　becomes　more　and　more　important.　This　paper　analyzes　the　amount　of　water　consumption　in　every　link　of　the　goods　supply　to　explore　the　water　conservation　feasibility　in　every　link.　This　paper　establishes　an　EIO-LCA　model　based　on　the　life　cycle　assessment　method　for　water　consumption　from　supply　chains　in　various　sectors,　and　decomposes　the　water　footprint　of　the　inter-sector　supply　chain　into　six　levels　and　calculates　the　water　consumption　at　each　level.　The　results　show　that　the　total　water　footprint　of　China＇s　supply　chain　increases　by　6.5%　from　2007　to　2017;　industrial　sector　is　the　core　sector　for　indirect　water　footprint　consumption.　China　is　an　importing　country　of　virtual　water,　imported　intermediate　products　are　the　main　source　of　imported　virtual　water　and　re-exported　products　account　for　an　increasing　proportion　of　exported　virtual　water.