The invention discloses an intelligent mobile terminal display system of a building. The display system comprises a client terminal fixedly arranged in the building, and a plurality of handheld mobile terminals, wherein a CPU (Central Processing Unit), a memory, a display, a first two-dimensional code generator, a second two-dimensional code generator and navigation software in the client terminal are all arranged on a substrate; the display is electrically connected to the output interface of the CPU; the CPU is also connected with the first two-dimensional code generator and the navigation software, wherein the navigation software is also electrically connected with the second two-dimensional code generator; a two-dimensional code scanner in the mobile terminal is connected with a microprocessor; a minitype display is electrically connected with the output interface of the microprocessor; and the two-dimensional code scanner is connected with the first two-dimensional code generator and the second two-dimensional code generator through scanning identification. By use of the display system of the invention, people can quickly, intelligent and accurately find companies or stores which need to be found by people according to information in a two-dimensional code, and a great quantity of time can be saved.