According to the Griffing method II, 6 materials such as1,2,3,4,5,6 were carried under low-temperature treatments,which were difference in tolerance of low temperature to configure completely diall hybrid combination, The parents and F1 were carried on low-temperature treatment of given 15-20℃/10℃ in day/night, at adult stage several characters such as the chilling tolerance, plant height, plant width, fruit number, yield, single fruit weight were investigated, The genetic rule of characters and relations among them were researched. The indicated that: there was no obvious difference among plant height and plant width; there was obvious difference among chilling tolerance, fruit number, yield, single fruit weight after low temperature treatment; chilling tolerance, fruit number, yield, single fruit weight were all in accordance with additive-dominant model. Broad heritability were 84.030%, 68.110%, 94.711%, 58.921%; narrow heritability were 75.821%, 60.801%, 6.191%, 49.632%. Correlation analysis indicated that fruit number was the most important character of the chilling tolerance of eggplant, and other characters’ effects were smaller.