The agglomeration degree of China's equipment manufacturing was measured by index of industry concentration in 1994~2005.The conclusion indicates that four kinds of equipment manufacturing's agglomeration degrees are rising continuously except special equipment manufacturing and transport equipment manufacturing.Agglomeration is the main direction and development tendency of China's equipment manufacturing in the future.According to industry concentration ratio,the main agglomeration regions of equipment manufacturing are shown clearly in China.Finally,the paper analyzed agglomeration development of equipment manufacturing in China.