Integrated modularized LED display screen

The utility model is applicable to the technical field of LED display screens, and provides an integrated modularized LED display screen which comprises an installation frame, a circuit mainboard and a plurality of display modules, the installation frame is of a rectangular structure, and the surfaces of the four inner walls of the installation frame are transversely and fixedly connected with connecting strips extending towards the center of the installation frame. And a mainboard mounting frame is fixedly connected among the plurality of connecting strips. According to the integrated modularized LED display screen, the circuit main boards are arranged, and the power module and the signal receiving module of the LED display screen are arranged on one circuit main board, so that when the LED display screen is assembled, only the circuit main boards need to be placed in the main board mounting frame in the middle of the mounting frame, and then a protective cover is mounted to position the circuit main boards;