CEILING SYSTEM

The present invention is to provide a ceiling system in which the seismic performance of the ceiling system is improved, and the safety accident of occupants due to the falling of the ceiling system and damage to property can be prevented in advance. According to the present invention, provided is a ceiling fastener comprising: a wall fixing unit fixed to the wall; and a ceiling fixing unit extending in a direction crossing the wall fixing unit and having a longitudinal end of a ceiling structure installed therein. The ceiling fixing unit includes: a lower fixing means for mounting a lower part of the ceiling structure; and a pair of side fixing means extending upward from both ends of the lower fixing means in the width direction. 본 발명은 벽체에 고정되는 벽체고정부; 및, 상기 벽체고정부와 교차되는 방향으로 연장 형성되고, 천장구조물의 길이방향 단부가 설치되는 천장고정부;를 포함하고, 상기 천장고정부는, 천장구조물의 하부를 거치하는 하부고정수단; 및, 상기 하부고정수단의 폭방향 양단부에서 상방으로 연장 형성되는 한 쌍의 측면고정수단;을 포함하는 천장연결철물을 제공한다.