With the rapid transformation of in the global economic situation, the effect of science and technology on economic development is becoming more and more obvious. Through empirical analysis of panel data of various provinces and cities in China, we explore the role of China''s increasing technological level in foreign investment. The results of the study found that the level of technology has a significant inhibitory effect on foreign investment entry, and the higher the level of technology, the stronger the inhibitory effect on foreign investment entry. The two have a significant positive correlation, suggested that as China''s advanced technology continues to increase, its dependence on foreign capital will continue to decrease. The conclusion of the study is of some help to the improvement of the quality of China''s foreign investment entry and the improvement of foreign investment introduction policies.