NIEER has established international cooperation and exchange programs at various levels with more than 40 countries and districts, such as the United States, Russia，Canada, Japan, Germany, France, Norway, Switzerland and other academic and educational institutions from all over the world. More than 20 NIEER scientists hold key positions in many international academic and professional institutions and associations, and more than 40 foreign experts Hold academic positions in NIEER advisory committee and guest professorships. On average, there are more than 120 foreign scholars visiting NIEER each year. The international cooperation has been playing increasingly important roles in NIEER, providing opportunities for Chinese and overseas scholars to conduct joint projects, serving as windows to learn more about China and the world, and rapidly developing mutual benefits to advance scientific research.