In　this　paper,　to　find　out　problems　happening　in　the　process　of　the　product　market　construction　of　large　and　medium-sized　methane　project,　we　describe　the　construction　of　the　project,　distribution,　investment　and　financing,　management　and　other　basic　information　and　analyze　the　product　market　(electricity　market,　gas　market,　the　biogas　fertilizer　market)　combining　with　the　related　policies.　Finally,　we　come　up　with　some　suggestions　on　policies,　technologies,　the　market　construction　and　so　on.　©　2011　IEEE.