A system construction assistance program causes a computer to execute a history creation step, an input step, a storage step, a search step, and a display step of displaying action information searched. The history creation step is for receiving a plurality of pieces of setting information indicating settings of production devices and storing the setting information. The input step is for receiving an input of action information indicating an action against an abnormality. The storage step is for storing the action information and the change content of the setting information accompanying occurrence of the abnormality in association with each other. The search step is for searching, in a case of occurrence of an abnormality in the production devices, for the action information for the abnormality occurring in the production devices from among the stored action information, using as a search condition the change content of the setting information.