Abstract: Great importance was attached to dam safety by government and the owner of hydropower plants, for it relates to society public safety and the safety of people’ s life and property directly. By periodical safety inspection which started in the 1980’s, rehabilitation was promoted and the safety condition of dams was improved. But, the damsafety management at some hydropower plants fall behind the informationization of the whole society, staying on the level of hand work. Then A Proposal of Dam Operation Safety Information Distribution and A Proposal of Dam Operation Safety Informationization Construction were issued to enhance the informationization in management. This paper analysed the dam safety management and informationization construction, and advanced the technological scheme and construction requirements on howto promote damsafety informationization.