This paper aims at discussing the concept and connotation and evaluating index system of agricultural water resource vulnerability in hilly area of southern China.First,based on the analysis of the research result of vulnerability in the field of resource and environmental science,a concept of vulnerability of agricultural water resource which represents the characteristic of agricultural water resource system in hilly area of southern China is formed. Then the connotation about the vulnerability of agricultural water resource is probed.It is believed that the vulnerability of agricultural wat...