In the digital era, increasingly more Chinese older adults have become Internet users, but the digital divide deeply affects their health. Based on the China Longitudinal Aging Social Survey, the influence of Internet use on older adults' physical and mental health are examined. It is found that digital access, online socializing and information/knowledge acquisition improve older adults' physical and mental health, while Internet skills can hardly influence their health. Social connection and adaptation are two important channels through which Internet use improves older adults' health. Young...