The invention relates to an automatic raw wood stacking device and belongs to the technical filed of wood-working machinery. The automatic raw wood stacking device is characterized in that the device is provided with a rack, wherein the rack is provided with a linear moving device and a turnover device, the linear moving device comprises a moving motor, a riding wheel, a riding wheel shaft, a driving shaft, a driven shaft, a driving chain wheel, a driven chain wheel and a chain, the turnover device comprises a turnover frame, a turnover shaft, a turnover cylinder, an outer turnover support plate, and an inner turnover support plate, the riding wheel shaft is arranged on the rack, the riding wheel is arranged on the riding wheel shaft, the turnover shaft is arranged below the riding wheel, the turnover frame is composed of a shaft sleeve, an outer turnover frame and an inner turnover frame, the shaft sleeve is arranged on the turnover shaft, one side of the shaft sleeve is fixedly connected with the outer turnover frame, and the other end of the shaft sleeve is fixedly connected with the inner turnover frame; the upper end of the outer turnover frame is fixedly connected with the outer turnover support plate, the lower end of the outer turnover frame is connected with the rack through the turnover cylinder, and the upper and of the inner turnover frame is fixedly connected with the inner turnover support plate. The automatic raw wood stacking device provided by the invention has the advantages of being novel in structure, high in automation degree, quick in stacking speed, safe to operate, low in employment cost, and the like.