Abstract:In the review of survey data results of drought disasters in Bozhou City, the quality of the reported data was improved by checking and reviewing the deterministic data reported by counties and districts, and reviewing and revising the non deterministic data by typical survey method, analogy method and comprehensive inspection and analysis method. In addition, the scientificity and rationality of the drought survey results were further analyzed in combination with the spatial and temporal distribution of rainfall and the monitoring data results of soil moisture in the drought period of the survey year, it provides reference for relevant units and departments to carry out drought risk analysis and assessment.