The ladder type dry mixed mortar production line is compared with the tower type, the equipment height is relatively low, the equipment occupies a large area, the base load is small, and the energy consumption is relatively large. The module has strong expansibility, and all kinds of finished mortar can be packed in bulk, bagged or ton bags. It is suitable for cross mixing and insensitive mortar products in aggregate metering process, such as common mortar production line and some special mortar production lines.