Public　cloud　has　far-reaching　influence　on　informatization　development　of　vocational　colleges.　This　paper　is　positioned　on　vocational　colleges　lacking　fund　guarantee,　discusses　the　new　shortcut　of　constructing　IT　hardware　facilities　by　accessing　public　cloud　IaaS,　analyzes　the　main　problems,　solutions　and　implementation　process　to　provide　new　thinking　for　accelerating　informatization　of　vocational　colleges.　©　2014　Trans　Tech　Publications,　Switzerland.