Abstract: In order to study low-temperature treatment＇s effect on the cold resistance of corn seeds during the germination period, 8 different corn breeds suited to be sown in early-maturing region were sown in spring, such as Bing Dan 6, Bing Danl6, Tong Yu158, Tong Yu162, Tong Dan 36, Chang Cheng799, Tong Yu 229, Tong Dan 38 as materials, the study of their germination rate, germination potential, seedling height, seedling health, and other germination characteristics being contrasted under the different temperatures of 8℃, 10℃, 15℃, 20℃ , 25℃ separately. The results demonstrate that germination rate and germination potential decrease as the temperature decreases when the temperature is between 8 - 25 ℃; there are differences among the 8 corn breeds： the cold resistance of Tong Yu 158, Bing Dan 6 and Tong Yu 162 is stronger; low-temperature treatment under 8℃ is good for enhancing the germination uniformity, cold resistance and seedling strength.