This experiment was carried out to study the integrated planting technique model of high yield corn in Huadian city of Jilin province.Fifty-six varieties with 3 plant type yielding more than 12 000 kg/hm² were analyzed.The effect of ear number and grain number per hectare and 1 000-grains weight on yield of varieties with different plant type was discussed.The result clearly showed the dominant factors of yield constituents with yield above 12 000 kg/hm².