Acquisitive prescription is a method of acquiring property by meeting statutory requirements of continuous possession, which vary by state, and it is the constitutional protection ,too. But it would bring huge impact to the owner's property.The purpose of this study is to discuss some issues on the prescriptive system in Taiwan, especially the issues related to the regulation of articles from 769 to 772 of Civil Law which is amended recently, so as to investigate and analyze the effects of the amended civil law, and bring up the directions for the future amendment of the acquisitive prescription.