The　RF　MEMS　Switch　is　the　key　element　in　the　field　of　microwave　and　mm-wave　signal　control.　In　recent　years　it　has　been　investigated　widely　because　of　its　advantages　of　low　insertion　loss,　low　power　consumption,　high　isolation,　excellent　compatibility　with　silicon　and　high　linearity　over　PIN　diode　or　FET　counterpart.　Meanwhile　as　the　development　of　laser　technology　it　has　demonstrated　extensively　to　be　a　very　valuable　tool　for　the　development　of　high　quality　processes　in　micro-applications.　The　use　of　lasers　in　the　field　of　MEMS　is　multiple.　Starting　from　characterization,　testing　and　going　to　technology　and　working　principle　of　the　microsystems　and　nanosystems,　the　lasers　find　applications　in　any　of　these　areas.　The　paper　overviews　some　of　the　laser　micro　fabrication　in　RF　MEMS　switches　such　as　laser　deposition,　laser　lithography,　laser　direct　writing　etc.　We　present　the　respective　technologies,　their　working　principles,　their　advantages　and　drawbacks.　In　some　cases　the　examples　of　microstructures　realized　by　using　laser　techniques　have　been　showed.