Japan’s official development asssistance to People's Republic of China marked its 40th Anniversary in 2019 and is close to its end. JICA conducted a synthetic review on its assistance to China on environment and infectious disease control that have been the main areas of cooperation in the 2000s. Participants will learn long-term outcomes of cooperation of Japan and China in the above two areas, lessons learned, and future direction of the equal partnership of the two countries in promoting sustainable and resilient development.