The invention discloses a jack fixing method for slope anchor pole drawing tests; a pit slot is dug and filled with mud so as to fix the jack into the pit slot of a slope; slope surface rock-soil can be cooled so as to form a frozen soil layer, thus improving pit slot intensity and stability, so the jack can be more stably fixed in the pit slot, thus preventing inaccurate test data caused by the self weight of the jack applying active force on the anchor pole, and improving test data accuracy.