It was a crucial ceremony to maintain military discipline, ensure the readiness of the palace defense, and showcase the King’s authority over the military establishment, which was vital for the stability of the state.
According to historical legal texts like the Gyeongguk Daejeon (National Code), when the Cheopjong was declared, all soldiers, military officials, and civil officials would assemble before the King for the inspection, known as Eojeonsayeol.