The smart phone assistance system for the elderly based on WeChat mini program mainly solves the problem that the elderly can not or can not skillfully use smart phones. The system is designed with the idea of microservice architecture, and coded with WeChat mini program, SpringBoot framework, intelligent remote control and intelligent voice interaction technologies. In addition, in terms of interface design, the aging design is also carried out for the elderly. The smart phone assistant system for the elderly based on WeChat mini program aims to help the elderly adapt to the rapidly changing technological society, bridge the “Digital Divide” and create a “Digital Huilao” environment.