Tin　oxide　materials　are　a　class　of　unique　semiconductor　materials　with　widespread　technological　applications　because　of　their　valuable　semiconducting,　gas　sensing,　electrical　and　optical　properties　in　the　fields　of　macro/mesoscopic　materials　and　micro/nanodevices.　In　this　review,　we　describe　the　efforts　toward　understanding　the　synthetic　strategies　and　formation　mechanisms　of　the　micro/nanostructures　of　various　tin　dioxide　thin　films　prepared　by　pulsed　laser　ablation,　highlighting　contributions　from　our　laboratory.　First,　we　present　the　preparation　and　formation　processes　of　tetragonal-phase　tin　dioxide　thin　films　with　interesting　fractal　clusters.　In　addition,　the　quantum-dot　formation　and　dynamic　scaling　behavior　in　tetragonal-phase　tin　dioxide　thin　films　induced　by　pulsed　delivery　will　be　discussed　experimentally　and　theoretically.　Finally,　we　emphasize　the　fabrication,　properties　and　formation　mechanism　of　orthorhombic-phase　tin　dioxide　thin　films　by　using　pulsed　laser　deposition.　This　research　may　provide　a　novel　approach　to　modulate　their　competent　performance　and　promote　rational　design　of　micro/nanodevices.　Once　mastered,　tin　dioxide　thin　films　with　a　variety　of　fascinating　micro/nanostructures　will　offer　vast　and　unforeseen　opportunities　in　the　semiconductor　industry　as　well　as　in　other　fields　of　science　and　technology.