An operation support system for a medical image diagnosis apparatus has an information reception section (2) for inputting, based on a medical image taking request, presuppositional information on imaging into the medical image diagnosis apparatus; a section (6) for extracting, based on the frequency of appearance of the presuppositional information on imaging, imaging-sequence information inputted by the information reception section (2); and a section (10) for outputting the imaging-sequence information, extracted by the imaging-sequence-information extraction section (6), to the medical image diagnosis apparatus.