The LH2 filling machine is a metering equipment for filling the liquid hydrogen in the LH2 tank to the LH2 vehicle. The equipment consists of three parts: the electronic control system, the metering system and the pipeline system. The whole LH2 filling machine has novel man-machine design operation interface, reliable CPU card and WeChat payment and other advanced functions, which can meet the standard interface of single station and group multi-station network management, and adopt Ex IIC level H2 filling machine in safety. Continuous innovation and improvement in security, metering, and networking functions.