A dish type core layer sandwich plate and the use thereof, the plate includes an upper surface layer, a lower surface layer and a core layer and is characterized in that the core layer is a dish type bubble-cap shape core plate, the section of the core plate is cone platform type dish type bubble-cap structure form, each dish type bubble-cap forms a dish member, the dish members are symmetric and parallel in distribution in dot array mode, and the cone platform heart part of the cone dish type bubble-cap can be sharp top shape, flat top shape and annular top shape. The dish member formed by calendering is distributed with two symmetric outer convex inner concave bubble-caps choosing the core layer surface as center to form a spatial two staged unit combination structure. By decorating the cone dish type bubble-cap, the cone platform structure with W type, WV type and WU type sections can be formed. The formed composite board structure can be single layer or multi-layer structure, can use the directionality of the unit structure and adapts apposition, folding and mixture multiple layer spatial combinations. The plate is used for manufacturing the industrial products having the object of press resistance, buffer, vibration insulation, sound isolation, heat insulation, and heat preservation.