PROBLEM TO BE SOLVED: To provide a medical image diagnostic system easily usable by a user and including high-quality protocols.SOLUTION: A medical image diagnostic system (100) including a first medical image diagnostic apparatus (110) comprises: a first protocol (140) stored in first storage means of the first medical image diagnostic apparatus, formed by a combination of a plurality of image acquisition steps, and editable only by a single first user a second protocol (150) stored in second storage means connected with the first medical image diagnostic apparatus via a network and editable by an authenticated second user selection means (114) allowing the user who operates the first medical image diagnostic apparatus to select between the first and the second protocol and a read-in execution unit (112) which reads and executes the first protocol or the second protocol selected by the selection means.
