The reason of why the housing price grows high and continuingly have different opinions, including policy, economy and so on .In past, most of researches try to find out the key point of the cause of high housing price by empirical analysis from macroscopic viewpoint. Bostic et al. (2007) raised "Land Leverage Hypothesis", which pointed out housing price is influenced by land price. The higher the land leverage ratio is, the much instable in housing price will be. This paper makes an empirical analysis of land leverage by the data of benchmark land assessment in five municipalities in Taiwan. Base on the land leverage hypothesis, we analyze the form of land leverage by different location and other features, and point out the defect of benchmark land. Finally, we propose suggestions of the application of land leverage and the assess method of benchmark land.