The utility model discloses a general assembly practical training platform. The device comprises a bottom plate, a fixing plate, a display plate, an adjusting motor, an adjusting block, an adjusting threaded rod, a spring, a rotating rod, a fixing column, a limiting block, a connecting block, a driving block and a control panel; supporting rods are fixed to the four corners of the bottom plate correspondingly. wherein a placing plate and a top plate are arranged above the bottom plate; the placing plate and the top plate are in contact with the four supporting rods; a fixed plate is fixed on one side of the bottom plate; a display plate is arranged on the side, away from the bottom plate, of the fixing plate. wherein driving motors are symmetrically mounted in the bottom plate; slideways are symmetrically formed in the top of the bottom plate; according to the general assembly practical training platform, the distance between the display board and the fixing board is adjusted through mutual cooperation of the rotating rod and the limiting block, so that the display board is turned over, objects in the mounting groove are protected when the display board is not used, meanwhile, dustis prevented from falling into the mounting groove, and the time required for cleaning is saved.