Abstract: The geologic hazard is frequently in Liaoning province,which will cause a considerable economic losses .The directly damage of properties may cost tens of millions of yuan each year.In order to promote the forecast and alert of geologic hazard,a landform analysis--critical rainfall template has been adopted as a basis for judgement in flood season. Now I try to give a brife report about the practice in Liaoning province of this method and we would very much like to discuss associated problems with relevant units and individuals.