To quickly correspond to the preparation of new automatic production contents without constructing a new system and without remodeling the existing system in the case of newly preparing automatic production contents.

An automatic production system 20 prepares data broadcasting contents that are automatically updated in a data broadcasting program. Filing processes 21 to 23 monitor data materials 1 to 3 provided from data material provider systems 11 to 13, and convert the data materials 1 to 3 into contents materials of a uniform format if the data materials 1 to 3 are updated. The filing processes 21 to 23 perform one-to-one correspondence to the data material provider systems. A processing standby queue 25 stores the contents materials. A transmission process 24 monitors a processing empty state of a contents production system 30 that converts the contents materials into information materials for data broadcasting and provides a transmission system 40 with the information materials, fetches the contents materials of the processing standby queue 25 to provide the contents production system 30 with the contents materials in the case of an empty state.