In order to solve the problem of low birth rate and aging population as well as social problems, this paper seeks to find ways to lead a healthy and lively life through the development and distribution of sports activity programs by life cycle from infants to the elderly. In particular, after the integration of sports organizations in 2016, it was intended to establish a sports welfare system by providing sports activity programs for each life cycle centered on sports for all. However, it was not properly promoted due to problems such as work areas and related laws between ministries by target. Therefore, it is intended to present improvement measures through legal and institutional considerations to solve the problem of low birth rate and aging through sports activities by life cycle.