Hydro-pneumatic spring heating and heat preservation system in extremely cold environment

The utility model provides a hydro-pneumatic spring heating and heat preservation system in an extremely cold environment, which comprises a hydro-pneumatic spring body, a heating layer, a protective layer, a heat preservation layer, a temperature sensor, a temperature controller and a vehicle-mounted power supply, a temperature controller is arranged at the end, away from the temperature sensor, of the wire and provided with a first positive-negative binding post, a second positive-negative binding post and a third positive-negative binding post, and the wire at the positive electrode and the negative electrode of the temperature sensor is electrically connected with the first positive-negative binding post in the temperature controller. The external heat preservation layer is fixed through the hose clamp, the heat preservation layer is installed at low temperature in winter, the hose clamp and the heat preservation layer are taken down at high temperature in summer, and heat dissipation of the hydro-pneumat