Abstract: With the acceleration of the integration of Chengdu-Chongqing Economic Zone and the growing trend of population aging, integrating old-age security resources in Sichuan and Chongqing, promoting the co-construction and sharing of old-age facilities, improving the coordination of old-age system construction and the portability of old-age services, rights and interests have become an important livelihood issues. Based on the aging growth in Sichuan and Chongqing and the realistic old-age demand within the region, this paper analyzes the current situation of the multi-level old-age security system in Chengdu-Chongqing urban agglomeration and summarizes the preliminary exploration of the coordinated development of old-age security in the region and the possible problems under the trend of integration, and puts forward countermeasures and suggestions to promote the integration of old-age security in Chengdu-Chongqing urban agglomeration under the background of active aging.