ased on the analysis of water characteristics of red soil in hilly region and of relation-ship among the climate,soil and plant,the present paper reveals that the seasonal draught ofthe soils are due to the special soil water characteristics and the specific patterns of watermovement under the integrated effects of local soil,plant and climate. The results show that. to avoid from or fight against seasonal draught in eastern hilly red soil region of SouthChina,the soil water management should a...