Sm-Fe-B　GMF　are　prepared　by　ion　beam　sputtering　deposition　on　glass　substrate　with　steady　magnetic　field　applied　it.　During　deposition,　the　different　magnetic　fields　strengths　were　chosen　and　the　direction　of　magnetic　field　perpendicular　or　parallel　to　the　long　axis　of　substrates.　Deflections　of　cantilever　and　hysteresis　loop　of　films　were　tested　by　LS-7010M-KC　laser　micro-displacement　sensor　and　alternating　gradient　magnetometer　(AGM),　respectively;　the　influence　of　steady　magnetic　field　to　magnetostriction　and　soft　magnetic　properties　were　studied.　The　influence　of　different　steady　magnetic　fields　strengths　to　distribution　of　magnetic　moment　of　Sm-Fe-B　GMF　under　the　same　experiment　magnetic　field　were　studied　by　OOMMF.　The　results　show　that　the　saturated　magnetostricion　deposited　at　steady　magnetic　field　were　better　than　that　without　magnetic　field,　and　the　magnetostricion　became　better　with　the　strength　of　magnetic　field　grows　under　the　experimental　condition.　Both　simulation　and　experimental　research　show,　the　easy　magnetization　direction　could　be　induced　by　steady　magnetic　field　and　parallel　to　the　direction　of　magnetic　field.　Hence,　the　proper　choice　of　direction　and　strength　for　steady　magnetic　field　during　the　deposition　process　could　obtain　the　specific　easy　magnetization　axis　and　large　deflection,　which　in　favor　of　the　development　of　thin-film　component.　©,　2014,　Journal　of　Functional　Materials.　All　right　reserved.