This　paper　proposes　a　calibration　method　for　angular　positioning　deviation　of　a　high-precision　rotary　table　based　on　the　laser　tracer　multi-station　measurement　system.　The　algorithm　error　of　the　calibration　method　for　angular　positioning　deviation　of　a　high-precision　rotary　table　based　on　the　laser　tracer　multi-station　measurement　system　was　mainly　discussed.　During　the　experiments,　the　laser　tracer　was　fixed　on　the　work　surface　of　the　rotary　table,　and　the　rotary　was　fixed　on　the　work　surface　of　the　coordinate　measurement　machine　(CMM).　The　rotary　table　was　rotated　with　the　same　angular　interval.　In　this　case,　an　optimization　method　for　calculating　the　coordinates　of　a　laser　tracer　station　by　using　Levenberg-Marquardt　algorithm　and　singular　value　decomposition　transform　was　proposed.　Then,　the　angular　positioning　deviation　of　the　rotary　table　was　calibrated　by　an　established　geometric　relationship　model　between　the　coordinates　of　laser　tracer　stations　and　the　rotation　angle　of　the　rotary　table.　The　angular　positioning　deviation　of　the　high-precision　rotary　table　was　as　low　as　+/-　0.9　＇＇,　and　the　error　of　the　calibration　method　was　+/-　0.4　＇＇.　The　experimental　results　proved　the　feasibility　of　the　proposed　calibration　method.　The　calibration　method　proposed　in　this　paper　is　suitable　for　the　case　that　the　rotary　table　is　not　linked　with　the　CMM,　especially　for　large　high-precision　rotary　tables.