A robot service cooperation system (10) includes a server (12), a mobile terminal (14) and various robots (16a-16c) respectively connected to a network (100). Each of applications (A1, A2, A3, - - - ) on the network is written with cooperation information indicating that which other application can be cooperated with. A CPU (20) of the server specifies (S3) at least based on the cooperation information a plurality of cooperable services that can be provided to a user of the mobile terminal, presents (S7) the specified plurality of services to the user and makes (S13) the user select an arbitrary combination, and makes (S17, S19) a plurality of services constituting the selected combination cooperate mutually by registering at least a start condition of each service into an event queue in association with at least an end event of another service.