Vehicle-mounted pressurizing square cabin board and vehicle-mounted pressurizing square cabin

The invention provides a vehicle-mounted pressurizing square cabin plate and a vehicle-mounted pressurizing square cabin, and solves the technical problem that the structure of the existing pressurizing square cabin plate applied to a plateau region is not disclosed yet, the vehicle-mounted pressurizing square cabin plate is provided with an outer surface layer, a middle layer and an inner surface layer; the outer surface layer is sequentially connected with carbon fiber twill, carbon fiber plain cloth, +/-45-degree glass fiber cloth, 0-degree and 90-degree carbon fiber biaxial cloth and carbon fiber twill from outside to inside; the middle layer is provided with a profile framework and a foam core material; the foam core material is filled among the profile framework, the outer surface layer and the inner surface layer; the inner surface layer is sequentially connected with 0-degree and 90-degree carbon fiber biaxial cloth, carbon fiber plain cloth, 0-degree and 90-degree carbon fiber biaxial cloth, carbon f