In　this　paper,　a　Volterra　model　with　mutual　interference　and　Beddington-DeAngelis　functional　response　is　investigated,　some　sufficient　conditions　which　guarantee　the　existence　and　global　attractivity　of　positive　periodic　solution　for　the　system　are　obtained.　Furthermore,　our　results　improve　the　main　results　of　paper　[1].　(C)　2011　Elsevier　Inc.　All　rights　reserved.