Taiwan itself produces NT $ 300 million worth of potatoes per annum, of which Tounan accounts for NT $ 200 million. In fact, some 80 % of the potatoes that pass through Yunlin's Hsiluo Wholesale Vegetable Market come from Tounan Township.
國內馬鈴薯一年生產值為 3 億元，斗南鎮就佔 2 億元，雲林西螺果菜批發市場馬鈴薯進貨量的 8 成由斗南鎮供應。