The　study　of　the　build-up　force　standard　device　with　super　wide-range　is　the　leading　edge　and　hot　spot　in　the　field　of　force　metrology.　Correcting　the　systemic　error　has　great　importance　for　improving　the　accuracy　of　build-up　force　standard　device.　A　correction　method　and　process　were　proposed　for　the　systemic　error　correction　of　the　build-up　force　standard　device.　Four　extrapolation　methods　of　the　systematic　error　were　proposed,　which　were　compared　in　the　experiments　of　a　20　MN　and　three　300　kN　build-up　force　standard　devices　with　different　structures.　The　best　extrapolation　method　obtained　from　the　experiments　was　determined　and　used　in　the　force　correction　of　a　60　MN　build-up　force　standard　device.　The　corrected　60　MN　build-up　force　standard　device　was　compared　with　the　30　MN　build-up　force　standard　machine　in　NPL　and　the　force　comparison　relative　deviation　is　less　than　±0.06%,　and　the　En　is　less　than　1.　The　study　results　show　that　in　the　extrapolation　of　the　indication　error　equation　before　the　correction　of　the　build-up　force　standard　device,　it　is　better　to　adopt　1st　or　2nd　order　polynomial　equation　for　the　extrapolation　to　avoid　the　extrapolation　result　divergence　due　to　the　high　equation　order.　Besides,　in　the　structure　design　of　the　build-up　force　standard　device,　the　linearity　of　the　device　should　be　optimized　as　much　as　possible　to　reduce　the　extrapolation　error　and　improve　the　accuracy　of　the　indication　error　extrapolation.　The　proposed　method　can　effectively　decrease　the　systematic　error　of　the　build-up　force　standard　device　and　improve　the　force　accuracy　of　the　device.　©　2016,　Science　Press.　All　right　reserved.