To support preparation of a medical treatment program in a broad sense such as a treatment plan and health promotion plan of a patient while reducing the burden on the patient and utilizing a result of a genetic test once conducted at the maximum.

The system is provided with a patient file for housing first part gene information relating to a specific patient attribution and second part gene information not relating to it, an information generating means for generating medical treatment program information constituting a medical treatment program in response to the specific patient attribution corresponding to the first part gene information housed in the patient file, and a determining means for determining whether other part gene information newly relating to an other patient attribution corresponds with the second part gene information. The information generating means regenerates the medical care program information at least partially in accordance with the other patient attribution when the determining means determines that the other patient attribution corresponds with the second part gene information.