Dry mortar production line is mainly composed of dry mortar mixer, feed screw conveyor, three ribbon mixing machine, secondary hoist, a storage hopper and automatic packing machine, etc.. This system is an efficiency production system after multiple times improvement on the basis of multiple ribbons dry mortar mixer. Mixed product will be into a storage bin through second lift machine. Then worker can carry out filing operation and not affect the next production. Matching an accurate packing machine can greatly improve production efficiency.