Abstract:The nongrain of cultivated land has a profound impact on regional food security. Analyzing the characteristics and influencing factors of nongrain of cultivated land in hilly areas is of great significance for the protection of cultivated land and the maintenance of food security. Taking Wulian county as an example, 8 administrative villages in Hubu town, Chaohe town and Kouguan town have been selected to conduct field surveys and participatory rural assessment studies. 237 questionnaires have been obtained. The characteristics of nongrain farming of different types of farmers and their influencing factors have been analyzed by using geographical detectors and Logistic models. It is showed that the proportion of part time farmers and non farmers in hilly areas is high, and the proportion of part time farmers and non farmers in Wulian county is 59.92% and 28.69% respectively. The cultivated land in hilly areas is seriously nongrain. The per capita cultivated land in Wulian county is 0.70hm2, and the nongrain cultivated land is mainly planted with apples, chestnuts and nurseries. The average area of nongrain cultivated land for pure farmers, parttime farmers, and non farmers is 0.78hm2, 0.91hm2 and0.21hm2 respectively. The nongrain of farmland among farmers in hilly areas is jointly influenced by family characteristics, location conditions, farmland utilization characteristics and policy awareness. There are differences in the influencing factors of nongrain behavior among different types of farmers.