This report is based on the new era，taking healthy aging as the main line，based on the analytic hierarchy process，taking 38 large and medium-sized cities in China as the research object，building a healthy aging index evaluation system with Chinese characteristics，and further analyzing the five dimensions of. “health care”，“living environment”，“transportation”，“social development and social justice”，“economy and finance”，And use open data to systematically analyze the development level of urban healthy aging. By comparing the ranking changes in 2015，2017 and 2019，the report makes an objective and fair evaluation of typical cities，and makes a comprehensive analysis of the outstanding problems or phenomena. And on the new era of socialist healthy aging work with Chinese characteristics，put forward “building a healthy aging policy system and governance system with Chinese characteristics”，“providing health and health services throughout the life cycle”，“providing a safe，convenient and comfortable living environment for the elderly”，“broadening and supporting a multi-pension model” and other targeted policy recommendations，in order to comprehensively grasp the development of population aging in large and medium-sized cities in China. Take the initiative to study and judge the current and future opportunities and challenges.