An X-ray imaging apparatus comprises a first operation unit 31 and a second operation unit 41 that execute an input operation relative to an X-ray image displayed on a display element. The first operation unit comprises a touch panel and the second operation unit comprises a lever. A mounted first operation unit can change an angle relative to a rail installed relative to a table. The second operation unit is attachable to both the rail and the table, and first operation unit is and detachable therefrom for convenience.