LED display module power supply and LED display screen

The utility model discloses an LED display module power supply and an LED display screen, the LED display module power supply comprises a power supply box, the two sides of the power supply box are fixedly connected with fixing seats, and one sides of the outer surfaces of the two fixing seats are respectively plugged with a low-voltage connecting seat and a high-voltage connecting seat; fixing assemblies are jointly connected between the low-voltage connecting base and the fixing base and between the high-voltage connecting base and the fixing base, angle steel is inserted into one side of the outer surface of each fixing base, and the angle steel is connected with the fixing assemblies. According to the utility model, through the arrangement of the fixing assembly, the low-voltage connecting seat, the high-voltage connecting seat, the limiting plate, the limiting hole and the angle steel, low-voltage connecting wires are centrally fixed on the low-voltage connecting seat, external alternating-current wires