为了对湖北省农业干旱作出客观而科学的评价，本文从农业生产实际情况出发，用“条件”水分平衡方法，提出了一个综合考虑水分盈亏和同期作物需水量的农业干旱指标Ｉ＝（Ｐ－Ｅｐ）／Ｑ，并用此指标分析了湖北省近３０年来主要干旱类型的时空分布特征及对农业生产的影响，同时结合各地各种类型各级干旱出现频次进行了农业干旱分区。 In order to objectively and scientifically evaluate agricultural drought in Hubei Province, this paper, based on the actual conditions of agricultural production, put forward an agricultural drought index I = (P- Ep / Q, and using this index to analyze the spatial and temporal distribution characteristics of main types of droughts and their impact on agricultural production in Hubei Province in recent 30 years. At the same time, the regionalization of agricultural drought is carried out according to the occurrence frequency of various types of droughts at various levels.