Abstract: The supply of the gold reduces continuously in in recent years,but the demand is increasing constantly,and the growth of the gold demand has exceeded the growth that the gold supplied.The world gold is in the state supply exceeds demand in 2003,the phenomenon in short supply appears in 2004 and 2005.In the future,the output of the world products of gold will drop unavoidably,the output will cause the supply and demand to be out-of-balance while dropping.