Rainproof outdoor LED display screen capable of being maintained from front surface

The utility model discloses a rainproof outdoor LED display screen capable of being maintained from the front surface. The whole screen is formed by combining a plurality of rainproof box bodies, the inner part is provided with a frame, the frame is divided into a plurality of sashes which have same size and can be matched with a single rainproof LED display unit by vertical grids, and each sash is internally provided with a detachable LED display unit; a data input/output socket and a power socket of the LED display unit are installed on the bottom of the frame at the inner part of the rainproof box body, and connected with a data input/output line and a power line of each LED display unit, and then connected with a control device and a power supply in a screen body; and the whole control device and the whole power supply device of the LED display screen are installed on the frame at the inner part of the screen body. The rainproof outdoor LED display screen is convenient for installation, strong in firmness