With increasingly fierce market competition, domestic machining center precision is being put forward higher requirements. For now, the temperature compensation technology is lowcost, and the precision of machine itself is improved more obvious by it. The basic principle of implement of the machine tool spindle temperature compensation technology was analyzed. Based on the PMC instruction function and FANUC PICTURE system interface function of the FANUC system, the spindle temperature compensation functions were integrated in FANUC system. The function module has the very good operability.