Abstract: The pipeline installation technique, the pipeline floating pulling method, is described combined with the construction of YongHuNing Import Oil Pipeline. This pipeline mostly locates at Southern Yangtze River waters, so, it is necessary to apply this kind of method. The article analyzes the application scope of the method, discusses the relevant installation codes/standards. By means of comparing with other crossing program of oil/gas pipeline, the authors give out the advantages of this technique in project progress and installation cost.