The invention relates to the technical field of plate rolling machines, in particular to a full-automatic four-roller plate rolling machine. The full-automatic four-roller plate rolling machine comprises a body and a rolling and pressing device assembled on the body, wherein the rolling and pressing device comprises an upper roller, a lower roller, and a front roller and a rear roller which are positioned on two sides of the lower roller respectively; the upper roller comprises a movable end and a fixed end which is in drive connection with a motor; the fixed end is fixed on the body through a bearing; the movable end is provided with a movable shaft seat with opening and closing actions; the movable shaft seat is connected with a shaft seat hydraulic cylinder; two ends of the lower roller, the front roller and the rear roller are connected with a lifting hydraulic cylinder respectively; an automatic feeding device is arranged besides the radial direction of the rolling and pressing device; and an automatic discharging device is arranged besides the axial direction of the rolling and pressing device. The full-automatic four-roller plate rolling machine is provided with a plate rolling control device corresponding to the rolling and pressing device, the automatic feeding device and the automatic discharging device. The plate rolling machine can realize automatic feeding, automatic rolling and automatic discharging and has high production efficiency.