PROBLEM TO BE SOLVED: To improve the speed of the registration of medical image data or the reference of the stored medial image data in a medical image storage device.SOLUTION: A medical image storage device 12 executes the multiple storage processing of medical image data in a master storage device 131m and a slave storage device 131s, and stores the specific information of the medical image data and multiple storage completion information indicating whether or not the multiple storage processing is completed in association in an inspection management DB 48, and accepts the request of the storage position information of the medical image data related to required specification information from a viewer 15, and determines whether or not the multiple storage processing of the medical image data related to the required specific information is completed by referring to inspection management data, and when it is determined that the multiple storage processing of the medical image data related to the required specific information is completed, determines the position information of a slave storage device 131s as storage position information, and supplies the determined storage position information.
