The invention relates to the technical field of mechanical equipment, in particular to a production, demolding, board-taking and stacking device for gypsum boards. The device comprises a gypsum board demolding and board-taking device body comprising a board-taking support, a rotation board, a swing arm, a board overturning air cylinder, a pushing air cylinder and further comprising a sliding frame, a suction cup mounting board, a grabbing component and the like which are mounted on a transitional frame; the board-taking support is provided with a suspending air cylinder so as to drive the transitional frame, an overturning component, the suction cup mounting board and the grabbing component to move in the up-down direction in a reciprocating mode; the pushing air cylinder drives the sliding frame to drive the transitional frame, the rotation board, the suction cup mounting board and the like to move in a reciprocating mode along guiding rods, wherein the rotation board, the suction cup mounting board and the like are mounted on the transitional frame; a gypsum board board-taking and stacking device body comprises a support, a board-taking trolley, trolley sliding seats, sliding rails, servo motors, ball screws, nuts and the like, wherein the ball screws, the nuts and the like are mounted on the support; and the gypsum board board-taking stacking device body is matched with the demolding board-taking device body, a taken-out gypsum board is conveyed out of a conveying line and overturned into a certain angle and automatically falls on a board stacking trolley, and work is repeatedly conducted in this way.