There are such many types of data and complex relations in the town's cadastral database that good spatial database must be needed to manage and maintain them.Following correlated technologies and criteria,the town's cadastral database is designed based on Geodatabase.The paper discusses partitioning entities' type,classifying and delaminating features,designing the subclasses,structure of feature attribute tables,attribute domain,topology rules and feature datasets,and so on.Finally,some commentaries about...