Droughts occurred in Xinyang City mainly fall into three categories: the midsummer drought, the autumn drought and the winter drought.And the frequency of midsummer drought is much higher than that of the other two.In addition to natural factors, such as monsoon circulation, landforms and underground water resources, droughts are also associated with some socially economic factors, including incompletion of irrigation equipments, irrationality of agricultural production structure and crop arrangement, enlargement of industrial production, and so forth.Based on the statistics, which are obtained by using Pa method in different degrees, of the drought's frequency and regularities of the drought's occurrence, this text puts forward feasible defense strategies, to be specific, including long-term defense strategies, short-term reaction techniques and after-drought temporary remedial measures.