Abstract: Overseas R&D is an important strategic choice for Emerging economy multinational enterprises(EMNEs) to seek technology and improve innovation performance.by going abroad. Based on the perspective of organizational learning, ,this paper takes Chinese listed enterprises in knowledge-intensive industries that have carried out overseas R&D to analyze the impact mechanism of the geographic diversity of overseas R&D on the innovation performance and the moderating effect of international experience and organizational learning methods on the relationship between overseas R&D and innovation performance. The research reveals an inverted U-shaped relationship between the geographic diversity of overseas R&D and innovation performance of Chinese enterprises, which is enhanced by exploratory learning and international experience. Based on the above conclusions, this paper finally gives reasonable suggestions on how Chinese enterprises can more effectively carry out overseas R&D and make use of effective organizational learning methods and international experience to obtain innovative advantages.