Many foreign countries have formed their own unique protection mechanisms in the protection of water cultural heritage，among which the relatively complete ones are mainly developed countries such as the United States，France，Britain，Canada and so on.In recent years，a lot of work has been done in the protection of ancient water conservancy projects in China，and some achievements have been achieved.This paper focuses on the methods and modes of water cultural heritage protection accumulated through long-term practice at home and abroad，hoping to provide reference and Enlightenment for the protection research of ancient water conservancy projects in our province．