When the self-propelled crank-type lifting platform is lifted to any position, it can be operated while walking. It has a compact structure and flexible steering. The width of its site can ensure that the equipment enters narrow passages and crowded working areas. Standby power unit, operable working platform reset, convenient transportation mode, can be towed to any place. Easy-to-identify operation panel, multiple mechanical, electrical and hydraulic safety protection, advanced integrated hydraulic electrical integrated system.