The　importance　of　remanufacturing　used　products　into　new　ones　has　been　widely　recognized　both　in　literature　and　in　practice.　In　this　paper,　we　address　the　problem　of　integrating　the　positive　supply　chain　and　the　reverse　supply　chain.　First　we　obtain　the　pricing　models　of　the　manufacturer,　the　retailer　and　the　third　party.　Then　the　pricing　decisions　with　the　maximum　profit　of　the　whole　Closed-loop　Supply　Chain　(CLSC)　are　discussed.　The　pricing　decisions　of　the　manufacturer,　the　retailer　and　the　third　party　are　analyzed　in　Game.　At　the　end　three　assessing　CLSC　factors　are　presented.