Aiming　at　the　different　preference　of　customers　for　new　product,　remanufactured　product　and　second-hand　product,　a　differential　pricing　model　of　closed-loop　supply　chain　was　built.　The　production　decision　problems　that　whether　the　manufacturer　was　deal　with　the　remanufacturing　and　distributors　was　deal　with　the　second-hand　products　were　researched.　The　results　showed　that　the　existed　remanufactured　products　or　second-hand　products　might　cannibalize　the　marketing　share　of　new　products.　The　profit　would　be　reduced　for　manufacturer　if　distributor　distributed　second-hand　products　but　increased　for　distributor.　If　the　manufacturer　was　deal　with　the　remanufacturing　but　the　distributor　was　not　deal　with　the　second-hand　products,　it　was　benefit　for　both　sides;　while　the　manufacturer　was　deal　with　the　remanufacturing　and　the　distributor　was　deal　with　the　second-hand　products,　the　total　profit　of　supply　chain　was　optimum,　and　the　benefits　of　customers　was　most,　under　which　the　distributor　could　transfer　part　of　the　profit　to　the　manufacturer　on　the　premise　that　both　the　manufacturer　and　the　distributor　earn　more　profits.