Laser　machining　technology　is　applied　in　various　industrial　fields.　The　most　attractive　aspect　is　photovoltaic(PV)　industry　which　has　been　growing　rapidly　in　these　years　for　the　lack　of　energy　resource.　Laser　with　brand　new　advantages　is　going　to　replace　the　common　contact　tools　and　go　beyond　the　productivity　limits　of　solar　panel　process.　In　practice,　laser　is　used　to　cut　solar　cells　into　pieces　and　remove　the　edges　of　them　as　a　result　of　its　high　efficiency　and　micron　dimension　line　scale.　Laser　machining　technology　is　also　playing　an　vital　role　in　the　process　of　upper　and　back　surfaces　of　solar　cells.　Laser　drilling　can　connects　the　two　surface　without　metal　on　the　upper,　and　laser　nanostructure　machining　is　applied　in　forming　particular　structures　to　support　some　advanced　silicon　wafer.　In　the　procedure　of　producing　thin　film　solar　panel,　we　can　gain　better　effects　by　laser　etching　technique.　Another　widely　used　technology　is　laser　ablation　and　annealing　process　for　thin　film　solar　cells.　Some　exploratory　studies　have　been　developed　recently,　such　as　using　femtosecond　laser　to　texture　on　the　surface　of　silicon　thin　film　so　that　more　photons　can　be　absorbed　by　the　cells.　and　etc.　Laser　machining　technology　is　promised　to　be　indispensable　to　the　solar　PV　panel.