Abstract: The paper describes the construction technique of gas pipeline in waters ar ea for the B24~B25 pipeline section of West-to-East Pipeline Project in Yangtze River district based on the geological features of the waters, introduces the construction steps and progress, determination of constru ction techniques and program implementation for the pipeline section, which can provide an important ref erence to the pipeline construction conducted in rivers, lakes, swamp and beach strand for other pipeline companies. Some suggestions to build gas pipelines in waters area are put forward.