The disease occurrence and resistance of the 31 eggplant cultivars to eggplant gray mold disease have been investigated and evaluated under nature condition. The results showed that 31 eggplant cultivars have all been infected by Botrytis cinerea , The disease incidence of Heichang eggplant was the highest, which attained 77.8%, the incidence of Zhaowubangmo eggplant was the lowest,which was 10%. The resistance evaluation results showed that three eggplant cultivars including Yachenghong eggplant, Tgheimeiren and JinqieA were high susceptible cultivars to gray mold, the percentage of the susceptible cultivars was 9.68%, the percentage of the middle susceptible cultivars and middle resistance were 19.35% and 32.26% respectively. The results also showed that eleven high resistance cultivars including Zhaowubangmo eggplant and Dukou eggplant have been screened from the 31 eggplant cultivars, the percentage of which was 35.48%.