Download the desired protocol from a server protocol database, to allow for easy suitable imaging, a server having the one or more medical diagnostic imaging apparatus, a protocol database storing data of a plurality of protocols , but are connected to each other via a network, a suitable protocol to test purposes from the medical image diagnostic apparatus searches the protocol database, a medical image detail data of a desired protocol selected from among the results of the search from the protocol database A protocol distribution system that can be downloaded to a diagnostic apparatus, wherein the protocol database stores supplementary information on the protocol for each protocol, the server transmits supplementary information for each protocol to the medical image diagnostic apparatus, is, when display of the protocol or When Nozomu protocol is selected, it displays the additional information of each protocol.