Using factor method and the data of 2009, the author studies technology innovation capability of Beijing's high-tech industry. The research results indicate that the electron and correspondence equipment manufactural technique innovation capability is the strongest, but navigation aerospace machine manufactural technique creative the capability is the weakest. In order to ensure the balanced development of Beijing's high-tech industry, the government should emphatically enhance the innovation input of navigation aerospace machine manufacturing business, computer and office equipment manufacturing business, medical equipment and instrument meter manufacturing business and promote their operation capability to give an impetus to the balanced development of regional economy.