System for Determining Change to Work Content and Function Content

Provided is a work and function content change determination system that leaves a responsible person to make a determination whether or not to change work content and function content in a timely manner. A work and function content change determination system 35 is configured to determine whether or not to change work content and function content at a civil engineering and construction site, and includes a determination device 34 that is communicable with a first terminal 47 and a second terminal 33. When receiving information on an application for change of the work content and function content from the first terminal 47, the determination device 34 transmits, to the second terminal 33 of the authorized person having authority to approve the application for change, information on the application content for change and authority information on the authorized person identified. When receiving information on the determination result by the authorized person of permitting the application for change from the second terminal 33 that the identified authorized person has, the determination device 34 changes the work content and the function content based on the application content.