Lamp box notice board convenient to maintain

The utility model discloses a lamp box notice board convenient to maintain, which comprises a concentric-square-shaped lamp box frame, a partition board is fixedly connected to the center inside the concentric-square-shaped lamp box frame, the concentric-square-shaped lamp box frame is divided into an upper cavity and a lower cavity through the partition board, and LED panel lamps are embedded in the upper cavity and the lower cavity. The LED panel lamp has the advantages that in the working process of the LED panel lamp, firstly, the clamping assembly is connected with a fixing rod, a pressing button and a reset spring in a matched mode, so that the LED panel lamp and the concentric-square-shaped lamp box frame are convenient to disassemble and assemble, and the LED panel lamp and the concentric-square-shaped lamp box frame are convenient to disassemble and assemble; the hollow indication guide cover and the concentric-square-shaped lamp box frame can be conveniently disassembled and assembled through the ar