It has been paid more attention that making use of Foreign Direct Investment (FDI) may lead the problem of industry security FDI in recent years; particularly for the Equipment Manufacturing Industry (EMI) that locates important strategic position in national economy. This paper utilizes the relative statistical data during 1998 - 2007 from the Annual Reports of Industrial Enterprises Statistics compiled by the National Bureau of Statistics of China (NBS). We adopt four indicators which are market control rate,the stock control rate,the technology control rate of the FDI and the rate of important enterprises controlled by FDI to investigate the industry security of China's EMI from the perspective of industry power. The result shows a full impact on EMI. On the base, it presents corresponding main countermeasure recommendations.