Using meteorological data,statistical yearbook data,basic geographic information data,land use data and historical disaster data,we calculated the indexes of flood and waterlogging risk (FWR) of Weifang and drew its zoning map based on FWR assessment model and GIS technology.The results show that the areas of central and northern Zhucheng,southwestern Gaomi and southeastern Anqiu are the highest risk regions,the areas of northeastern Anqiu,southern Changyi are the second highest risk regions,most region of Changle,eastern Qingzhou,northeastern Linqu and western Anqiu are the median risk regions,while the areas of southwestern Qingzhou,southwestern Linqu,northeastern Shouguang and northeastern Changyi are the low risk regions.This assessment results are in good agreement with Weifang's reality.