Wengxing　Bridge　is　located　at　Shuntai　county,　Wenzhou,　Zhejiang　province.　It　is　a　national　protected　culture　heritage　and　also　a　unique　timber　arch　bridge　because　of　its　inclined　shape.　The　inclined　and　twistv　bridge　framework　put　Wenxing　Bridge　at　the　risk　of　collapse.　Based　on　the　field　survey　on　Wenxing　Bridqe,　this　paper　analyses　the　reasons　causing　the　bridge　inclined　and　destroyed,　and　discusses　suggestively　the　methods　of　maintenance　and　reinforcement.