This　paper　describes　a　new　laser　engraving　system　for　automation.　It　is　a　different　open　system　from　traditional　ones.　The　system　excludes　sealed　machine　housing　so　that　it　is　convenient　for　automatic　loading　and　unloading.　This　paper　also　discussed　safety　issues　which　came　with　the　open　housing　structure.　At　the　end　of　this　article,　you　will　find　the　design　of　automatic　loading　and　unloading　with　pneumatic　components　and　a　PC-based　controller.