The self propelled scissor lift is a kind of platform which driven by AC power, diesel engine or battery power, and can operate the walking, steering and lifting working on the platform table. It is high-altitude operation equipment with higher technical content on the market. The operation of the self-propelled lifting work platform is very automatic. Self propelled scissor lift can also be equipped with a manual hydraulic device, which can be lifted and lowered as usual in a power outage or no power supply. The telescopic platform can be added to extend the working table size, thereby improving work efficiency.