Due to its light weight, heat preservation and processed characteristics, EPS is used as thermal insulation material for wall insulation and roof insulation in building engineering; as sandwich material, it is used as steel wire mesh panel (such as Shule board) and color steel sandwich panel as interior partition material; as decorative material, EPS is processed into various European style art decorative components; as moisture-proof material, it is used for exterior wall of construction engineering below ± 0 moisture-proof.