In response to technical problems encountered during the process of transforming other cargo terminals to LNG terminals in recent years,this paper analyzes key factors such as design standards,layout,berthing methods,hydraulic structures,and process requirements combined with engineering examples.The paper sorts out and summarizes 15 technical points in the transformation process of LNG terminals,and forms a set of transformation technical system which covers berth length,berthing facilities,liquid collecting tanks,compensation platforms and the compatibility of original structures and design standards,etc.,and verifies its applicability based on the different characteristics of engineering examples.Based on this system,a safe,reasonable and applicable design scheme can be quickly proposed,which can provide reference for similar projects.