Wavy metal plate ceiling system and installation method thereof

The invention provides a wavy metal plate ceiling system. The wavy metal plate ceiling system is characterized in that the wavy metal plate ceiling system comprises a steel structure conversion layer connected with a roof; a C-shaped keel horizontally connected to a lower end of the steel structure conversion layer; a plurality of hoop pieces installed on the horizontal C-shaped keel in a scattered manner; a Z-shaped keel with one end which is fixedly connected to a lower end of one hoop piece and the other end which hooks a subsequent structure; curved-surface aluminum plates which are hooked on the other end of the Z-shaped keel; a modeling equipment belt arranged between two curved-surface aluminum plates. According to the wavy metal plate ceiling system and the installation method provided by the invention, since the steel structure conversion layer is firstly installed, the construction personnel can perform reverse installation to other ceiling structures in the steel structure conversion layer, the con