Abstract:Since 1990s,the number of multinational companies to set up R D institutions in China increased year by year,has become an important force in R D activities of high-tech enterprises in our country,and plays a more and more important role in some industries and even in some areas has been in the leading position. The author selects four types of indicators: the equivalent of R D personnel of foreign-funded enterprises,the R D expenditure of foreign-funded enterprises,the sales revenue of new products of foreign-funded enterprises, and the effective invention patents of foreign-funded enterprises to measure and compare foreign capital dependence of R D. The paper calculates and compares the foreign investment dependence of R D in China"s high-tech industry from the perspective of industry and regional perspective,and puts forward the corresponding countermeasures.