The article analyses the concept of building a smart society. In building a smart society, we should pay more attention to practicality and consider the ability of most people to get information and use information software. Especially with the rapid development of information technology, some accept groups with slower ability, such as the elderly. Otherwise, there will still be digital divide problems, such as migrant workers not being able to book tickets online, older people not using taxi search software, older people not being able to pass without a health code during an epidemic, and difficulties in registration.