Provided is a teleconference system enabling easy participation in a conference from a place geographically apart, securing active proceeding by individual presenting of statement, and enabling drastic decrease of trouble of creating a result by the conference. Statement information inputted by an input means of a terminal device is received and temporarily held and then the received statement information is transmitted to all the terminal devices participating in a teleconference. The statement information displayed on a display means of the terminal device is sorted by an input means of the terminal device and received as statement attribute data. The received statement attribute data and the statement information are stored in an information database. Then, based on the statement attribute data and the statement information, a commitment related to the teleconference is generated.