As　economy　time　coming,　fmancial　leasing　is　playing　an　increasingly　important　role　in　economic　development,　and　it　is　a　merging　industry　with　broad　prospect.　On　the　one　hand,　developing　fmancial　leasing　helps　to　bring　economic　leverage,　and　pulls　investment　demand,　on　the　other　hand,　it　is　beneficial　to　speeding　up　the　enterprise　technology　progress,　and　promotes　industrial　structure　adjustment.　With　a　low　cost　and　a　relatively　short　period　of　time,　developing　a　fmancial　leasing　system　by　advanced　technology,　which　satisfies　business　management　needs　of　finance　companies,　has　become　a　new　topic　in　the　fmancial　leasing　management　field.　Taking　a　fmancial　leasing　as　the　research　object,　this　paper　main　introduces　the　specific　application　of　J2EE　technology　in　designing　a　fmancial　leasing　system.