In addition to the convenience of transportation, the space under bridge can play a role of community node connection facilities, provide community residents with sports, rest, improve physical health and parent-child relationship, and attract more community residents to participate in activities through the use of space under bridge, and promote the development of local communities by combining the natural elements of local community resources. space under bridge that need to be improved include leisure facilities for the elderly to use sports, protective facilities for badminton court, garbage cans around, railings for children's amusement facilities, interaction between animals and children's scenes, and renovation of the skating rink floor. In addition, the space under bridge is useless and needs to be operated and managed by the users, the public, the public authorities and the people Units and community development associations work together to make this space effective.