Manual stacker trucks use manual force to push the handle to move the vehicle forward or backward. At the same time, using the principle of leverage to lift or lower the fork, it achieves the handling and stacking of goods. This purely mechanical operation method does not require complex electrical control or hydraulic systems, reducing failure rates and maintenance costs. Manual stacker trucks can easily shuttle between narrow passages and dense shelves, completing fast handling and sorting of goods. It can be widely used in industrial fields such as petroleum, chemical, pharmaceutical, textile, military, as well as places containing explosive mixtures such as ports, railways, freight yards, warehouses, etc.