To execute operation different corresponding to the conditions of compulsion degrees when executing the operation for transmitting information to a person.

This communication robot system 1 includes a basic condition DB 2, a control device 12, an input part 7 and a robot part 8. The basic condition DB 2 stores a program including a change portion for making the robot part 8 execute the operation different corresponding to the conditions of the compulsion degrees when the operation to transmit information to a person is executed. A behavior recognition part 5 acquires information indicating human behavior based on data input from the input part 7. A compulsion degree determination part 4 determines the conditions of the compulsion degrees when the program is executed based on the information indicating the human behavior acquired by the behavior recognition part 5. A task determination part 3 extracts the program by collating user's behavior with the file of the basic condition DB 2, and selects the change portion of the program in accordance with the conditions of the compulsion degrees. The robot part 8 operates in accordance with the program of which change portion is selected.