The invention discloses an aerated concrete green body cutting and swinging mechanism which comprises a rack upper beam, inner and outer swinging frames and a drive mechanism for driving the inner and outer swinging frames to swing in a dislocation and reciprocating manner relative to the rack upper beam, wherein the inner and outer swinging frames are arranged in a dislocation manner; the inner swinging frame is arranged in front of the outer swinging frame; the drive mechanism is composed of a decelerating motor and a bearing seat which are fixed to the rack upper beam; the decelerating motor is connected with a rotation shaft arranged in the bearing seat through a universal coupling; first and second eccentric wheels are connected to the periphery of the rotation shaft in a sleeving manner in opposite eccentric directions; the eccentric direction of the first eccentric wheel is arranged at the front; the eccentric direction of the second eccentric wheel is arranged at the back; one ends of first and second rocker arms are respectively connected to the first and second eccentric wheels in the sleeving manner; the other ends of the first and second rocker arms are respectively hinged to one ends of first and second swinging connecting arms; and the other ends of the first and second swinging connecting arms are respectively fixed with the upper parts of the inner and outer swinging frames. The aerated concrete green body cutting and swinging mechanism is smooth in swinging and solves the problem that a green body is stressed in a single direction in the cutting process.