Abstract: It was a big project that the marine reclamation land project at southeast Xiamen Xinyang bridge .And the area of it was 0.3564 million square meters. It cost 18 months to finish the processes that was enclosing sea, hydraulic fill and foundation treatment. But the processes, which was from researching the treatment to soft foundation to applying the method in site, just cost 6 months. Based on the geological condition, The different dynamic consolidation by drainage method were applied to treat foundation .The effect was fit the design requirements well.