Abstract: A detailed review of experimental study on dam-break is made in this paper.The key results of the experimental study on dam-break such as dam-break flood and dam-break mechanism at home and abroad are summarized,and its existing level and trend of development in the future are also analyzed from the angles of study contents,the similarity theory,the mode1 scale,the test techniques and、on.It indicates that the experimental study should be greatly developed in the future and mainly focuses on the mechanism of danrbreak,and keeps improving the study level in order to provide protection for the dam safety of China.