The　purpose　of　this　paper　is　to　review　laser　trimming　and　precision　control　of　alloy　strip　resistors,　which　is　extensively　applied　for　electronic　vehicles　and　other　power　electronics.　This　mini　review　especially　introduces　the　laser　trimming　of　background,　methodology,　mechanism,　influencing　factor　and　main　problem　in　details.　The　existing　problems　and　the　future　development　trend　of　laser　trimming　are　also　discussed.