Since Chinese opening up and reforming, Tongshan economy comprehensive strength keeps growing, was named as the leading sheep of Huaibei.

• 改革开放以来，铜山的综合经济实力显著增强，曾四次进入全国百强县行列，主要经济指标始终位居苏北首位，素有"淮北领头羊"之誉。