There is a trend of drought that the frequency, scope, duration and the degree of loss are more and more serious in Yunnan Province. Firstly, the index system of social vulnerability of agricultural droughts under drought disturbance was established, and the index weights were established by using entropy-CRITIC method. and the social vulnerability of agricultural drought in Yunnan Province in recent 15 years was assessed dynamically. It turned out that in recent years, sensitivity and coping capacity of agricultural social economy in Yunnan province showed a trend of growth and agricultural social vulnerability showed a downward trend. The classification of the social vulnerability of drought disaster shows that the vulnerability of agricultural society in Yunnan province is mainly focused on low sensitivity, low coping ability, high sensibility, low coping ability and high sensibility and high coping ability. Finally, it puts forward the risk management of agricultural drought by improving the farmers' awareness of preventing and fighting against drought, accelerating the adjustment of agricultural planting structure, and exploring the new paradigm of post disaster compensation actively.