The hydrogen liquid-cooled fuel cell stack intelligent assembly line includes various functional modules such as assembly of membrane electrode,bipolar plate,conductive plate,end plate,stack compression,stack leak detection,stack screw insertion,nut locking,electrical control system,data acquisition system,etc andother functional modules,compatible with a variety of product models collinear production,model automatic identification and switching, production tasks are automatically sent to the equipment from MES.Production quality data is automatically uploaded for analysis and processing,and real-time monitoring of equipment status integrates a number of intelligent manufac-turing core technologies such as digital manufacturing,Internet of Things,and intelligent control.