The utility model relates to a portable reinforced PXI chassis. The portable reinforced PXI chassis comprises a main chassis body, a PXI board card inside the main chassis body, a liquid crystal display component and a keyboard component. The main chassis body comprises an outer shell, a base plate, a support, a groove back plate, a cross beam, an interface plate, a back supporting plate, a side door and a rubber foot-pad. The PXI board card is arranged in the groove back plate inside the main chassis body in an inserting mode in the direction parallel to the base plate of the main chassis body. The liquid crystal display component comprises a liquid crystal display, a display back cover, a display panel, shielding glass and a locking device. The keyboard component comprises a keyboard and a keyboard panel. According to the portable reinforced PXI chassis which is creatively arranged, the overall height of the PXI chassis is effectively lowered, and the PXI chassis is more convenient to carry; through the precise arrangement of all the parts, the structural stability of the chassis is greatly improved, the overall performances of heat dissipation, electromagnetic compatibility and the like of the chassis are enhanced, the portable reinforced PXI chassis is suitable for the using requirements under different environments and suitable for popularization and application in relevant fields.