Based on 460 boreholes information in Hualien plain (Hualien city, Jian township and Xincheng township) and according to geological,river basin and soil properties, we use Geotechnical Engineering Date Base System (GEDBS) to create a Hualien plain engineering geological map. We also use seed（1985）SPT- N liquefaction estimation methods, Lee（1997）depthweight methods, to evaluate anti-liquefaction safe modules for each borehole， Finally according to the results, we complete Hualien plain liquefaction potential Map, These maps will be helpful in both design and construction works.
