The invention provides an automatic packaging production device for a nursing pad. The automatic packaging production device comprises a feeding mechanism, a conveying mechanism, a branching mechanism, a grading falling mechanism, a belt conveying mechanism and a transferring device, wherein the feeding mechanism comprises a flow guide groove and a sensor, the sensor is in communication connectionwith a PLC control system, one end of the conveying mechanism is connected with the flow guide groove, the branching mechanism comprises a first driving device, a first driving pushing handle, a second driving device and a second driving pushing handle, the grading falling mechanism is arranged at the other end of the conveying mechanism and comprises a falling frame, a falling channel, a third driving device and a movable baffle are arranged on the falling frame, the belt conveying mechanism penetrates through the whole automatic packaging production device, a semi-finished tray is arrangedon the belt conveying mechanism, the transferring mechanism is arranged at the other end, far away from the feeding mechanism, the conveying mechanism, the branching mechanism and the grading fallingmechanism, of the belt conveying mechanism, and comprises a support, a fourth driving device and a mechanical claw.