Abstract: The distribution in the year on the Karst of drought-relief and moisture-conserving technology research literature, reseach content, research institutions and literature number distribution statistics were given,the development phase (1986 to 2001 slow growth period, 2001 to 2011 rapid development stage and relative reduction of 2011 to 2014) were divided. The basic theory,technical measures, experimental demonstration, monitoring and evalution of drought-relief and moisture-conserving technology in karst area were reviewed.