For the ceiling and the ceiling, it actually means the same thing. Ceiling: mainly the indoor top in home improvement. Ceiling: refers to the covering installed on the ceiling to keep out wind, rain and snow, such as some plastic or aluminum composite materials. Used for building houses or office buildings. In order to make the room have more thermal insulation needs, many people will have suspended ceilings. Ceiling: refers to the decoration of the top of the house, specifically the decoration of the ceiling. To cover up the original structural layer of the house. So as to achieve the functions of sound insulation and heat preservation.