Usage patterns of the elderly. According to the online display in Zhongguancun, the Tmall Elf Elders model is a model specially developed for elderly users. It not only enlarges the fonts and icons, but also increases the health and wellness applications commonly used by square dances, senior universities, operas and the elderly. In the Tmall Elf Elf Elf Elder Mode, the machine will automatically screen the choices, recommend high-quality and appropriate content, and avoid unhealthy adult content. At the same time, it contains hundreds of educational applications, providing rich learning resources. There is also a square dance area and even a parental control mode. Parents can set the content that can be watched in children's mode in multiple dimensions and control it in time.