The　management　of　cold　storage　chain　is　an　important　part　of　the　management　of　supply　chain　and　logistics.　The　development　of　Chinese　cold　storage　chain　logistics　is　relatively　backward,　which　affects　the　food　industry　seriously.　Cold　store　play　an　important　role　in　cold　storage　chain　logistics.　The　field　flow　is　the　key　technological　parameter　in　cold　store.　A　three　dimensional　mathematical　model　is　established　to　study　the　flow　field　distribution　inside　a　cold　store.　And　the　results　are　testified　by　experiments.　Both　the　flow　field　characteristics　and　the　effect　of　flow　field　on　food　storage　are　revealed.　The　results　will　provide　an　important　help　on　the　technical　management　of　cold　storage　chain　logistics　in　China.　©2010　IEEE.