Small-spacing LED display screen practical training platform

The invention relates to a small-spacing LED display screen practical training platform. The training platform comprises a base, a sliding door storage cabinet arranged in the base and an aluminum alloy frame arranged on the base; an LED display screen cabinet is arranged on the back face of the aluminum alloy frame, a display screen installation area is arranged on the front face of the aluminumalloy frame, a load lighting and ventilating system is disposed in side, a power source and an industrial control device are all installed in the cabinet, which can move along with the practical training device; the display screen installation area is composed of an aluminum alloy profile frame and unit plate metal plate stand columns and provided with twelve aluminum profile display screen boxesand 72 P2.5 LED unit plates. According to the invention, the training platform can be used for the splicing of LED unit plates of various specifications, power supply distribution design and installation, signal and control ca