The invention provides a low-speed new energy electric automobile with an environmentally friendly power source convenient to change. The power supply mode of the traditional electric automobile is broken through; the low-speed new energy electric automobile with the environmentally friendly power source convenient to change comprises a changeable standby power battery and a loading device for loading the standby power battery; and the loading device can carry out all-directional vibration buffering on the standby power battery. Safety protection is comprehensive and effective, the standby power battery is not impacted or damaged, and the standby power battery is flexible and convenient to assemble, disassemble and operate, has lasting power and is high in practicality.