跨国公司在华R＆D投资对我国社会、经济与科技发展带来了一系列重要影响。具体表现为其对我国企业技术创新具有两重性,既有技术挤出效应,又有技术溢出效应。通过两种效应的博弈分析,提出应对跨国公司在华R＆D投资的政策建议。 Multinational R & D investment in China has brought a series of important impacts on the social, economic and technological development of our country. The concrete manifestation is that it has the duality to our country enterprise technological innovation, both the technical crowding out effect and the technology spillover effect. Through the game analysis of the two effects, this paper puts forward the policy suggestions to deal with the R & D investment of MNCs in China.