The maintenance cost of urban public fitness equipment is high and there is a lack of management. Damaged equipment will bring safety hazards to urban residents and waste precious urban space resources. Through modular design, our equipment innovates the structure of fitness equipment, reduces the cost of maintenance, and can freely combine equipment to improve space utilization.The built-in sensor can also allow the staff to check the equipment status in real-time. Damaged parts will also change color to remind residents not to use them. And Multimedia equipment use guide and social system to make outdoor fitness more interesting. Urban public fitness equipment is lack management and timely replacement. Damaged equipment brings safety hazards to urban residents, wastes urban space resources, reducing the trust of urban residents in urban management. Through modular design, our product reduces maintenance costs, and freely combines equipment to improve space utilization. The equipment use guide of multimedia system and social system encourages residents to exercise more efficiently. The built-in sensor allows the staff to check the equipment status in real time. After the corresponding parts are damaged, the color will also change to remind residents not to use them.