The builder's job is to solve the relationship between construction organization design and site at the construction site. What is in the organizational design depends on the builder to supervise, measure, write the construction log, report the construction progress and quality, and deal with on-site problems. He is the liaison between the engineering headquarters and the construction team. Zhejiang Engineering Co., Ltd. of China Railway 24th Bureau Group, headquartered in Hangzhou, Zhejiang Province, is a fortune 500 enterprise and a subsidiary of China Railway Construction Co., Ltd., which is a comprehensive large-scale enterprise integrating engineering construction, steel structure production, mechanical equipment and turnover material leasing. Construction workers are working on the construction site, dirty and tired, and the key processes have to stand by. It is very hard, but the construction is outstanding in communication, management, good execution and good physical quality, which is suitable for development.