Neiyiyuan was the Royal Medical Hospital of Chosun Dynasty (1392-1897) in ancient Korea dealing with the diseases of the monarch lasting for about -500 years (from the early Chosun to 1895).

• 内医院是韩国朝鲜时代(1392-1897)的王室医疗机关，从朝鲜时代初建立到1895年，持续了约500年。