PROBLEM TO BE SOLVED: To provide a common property management system, a common property management method and a common property management program for efficiently managing a plurality of common objects shared by a plurality of users. SOLUTION: In a common property management system, a management server 20 has a control unit 21 that communicates with a user terminal 30, a work vehicle information storage unit 22 that records a usage state of a common object, and an application for use of the common object. A usage application information storage unit 23 for recording is provided. Then, when the control unit 21 acquires the application for use of the common object from the user terminal 30 and the usage application information storage unit 23 cannot specify the available common object, the work vehicle information storage unit 22 is used. Each usage state is specified, a common property candidate that can be used is specified based on the usage state, and the usage authority of the common property selected from the common property candidates is given to the user terminal 30. [Selection diagram] Fig. 1
展开▼