The utility model relates to an energy supply technical field discloses a LNG gas supply system to realize gas supply system's automatic remote control, thereby improve the security and reduce the operation maintenance cost. This LNG gas supply system, including LNG storage tank, air feed interface, multistage connecting tube, controller and at least one vaporizer, through the connecting tube intercommunication between LNG storage tank, vaporizer and the air feed interface, liquefied natural gas in the LNG storage tank carries to the air feed interface after each vaporizer gasification, LNG tank outlet department and air feed kneck all set up in automatic control valve, and each automatic control valve all is connected through radio signal and controller signal.