Because the Bagong mountains are rich in the Purple Gold stone, also names Zijin Mountain. The inkslab which is polished by the Purple Gold stone had been honored as "the world first" by big calligrapher Mifu of Northern Song Dynasty. Nowadays, along with the price of Purple Gold stone present groups dramatically. Some velliger is under Bagong mountains begin to search "the treasure". They disregards rule which is about forbid mining set by Huainan and the Show County. They mine illegally from early to late and sell Purple Gold stone. How can the Purple Gold stone be the new favorite? The manager of Bagong mountain mueseum Zhou Baoyou indicated that Purple Gold stone has enjoyment and practicability.