Abstract: Based on the investigating of Water Conservancy Inscriptions of Tonghai Chujiaying in Qing Dynasty, this paper collates the contents of the water conservancy tablet store at camp, analyzes the social function of which, as well as the folk water conservancy cooperation mechanism, furthermore, enriches the research of water conservancy history in Qing dynasty, at the same time, deepen the cognition of water conservancy inscription value and significance.