This design takes into account the two functions of community service and leisure and entertainment, and provides an opportunity for the elderly and young people to communicate. The chimerism of the two building blocks symbolizes the relationship between the two age groups. It is coupling or alienation. There may be a generation gap or a fit. The platform of concession is the bridge of their vision, giving them a certain space to be alone, and the gathering of the atrium music space brings them the opportunity of close communication.