A radiation imaging system for applying radiation photography to a patient based on contents of an examination request includes: an image capturing method storage unit configured to prestore at least one image capturing method a patient information input unit configured to input patient information of the patient subjected to an examination based on the examination request an extraction unit configured to extract an applicable image capturing method from the image capturing method storage unit based on information accompanying the patient information and examination information a list display unit configured to display an image capturing method extracted by the extraction unit in list form and a registration unit configured to, by specifying an image capturing method displayed in the list display unit, register the specified image capturing method as imaging information.