The swift rise in China's ageing population coincides with the rapid advancement of informatization, presenting unparalleled opportunities and challenges in addressing China's ageing issues. From 2010 to 2022, the percentage of internet users within the 50-59 age group escalated from 11.1% to 73.5%, while in the 60 and above age group, it surged from 4.9% to 54.5%. The examination of how internet use impacts the lives of older adults using the latest empirical data has gained increasing significance. Key findings are as follows: It highlights a profound integration of the internet into the lives of older adults; there exists considerable diversity in internet usage patterns among older adults; it remains crucial to recognize the persistent digital divide among older adults, and elevating cybersecurity awareness among them is paramount to safeguard against potential online threats; furthermore, moderate internet use has shown to positively impact healthy ageing and contribute to the subjective well-being of older individuals. These findings underscore the urgent need to create a digital society that accommodates older adults. This necessitates concerted efforts from governments, enterprises, communities, families, and the older adults themselves. Collective participation and collaborative work are pivotal in cultivating an environment that supports and empowers this demographic within the digital landscape.