The process of automatic filling machine production line is generally as follows: the boxes with empty bottles are stacked on the pallet and sent to the pallet unloading machine by the conveyor belt to unload the pallets one by one, the boxes are sent to the unloading machine along with the conveyor belt to remove the empty bottles from the boxes, and the empty boxes are sent to the washing machine through the conveyor belt to be washed and cleaned, and then conveyed to the side of the case loading machine to load the bottles with beverages into them. Empty bottles taken out from the unloading machine are sent by another conveyor belt to the bottle washer to be sterilized and cleaned, and then inspected by the bottle inspection machine to meet the cleanliness standard before entering the filling machine and capping machine. Beverages are loaded into bottles by the filling machine. Bottles filled with beverages by the capping machine to seal the cap and conveyed to the labeling machine labeling, labeling sent to the cartoning machine into the box and then sent to the stacking pallet machine stacked on the pallet into the warehouse.