Abstract: Using nuclear cytoplasmic interaction male sterility,Neikuiza No.4 which was three-line oil sunflower varieties was bred through successive backcross,and male sterile lines and the same type of maintainer line were bred,then hybrid with the recovery line nuclear cytoplasmic.In 2011,passed the validation of New Varieties of autonomous region.The hybrid which growth period was 94 days,with disease resistance and yield,in regional trials of autonomous regions, average yield of 23d.lkg/mu,yield increased 8.8% compared with the control MGS,seed oil content 46.73%.Appropriate to be promoted and planted in the area which〉 10℃ active accumulated temoerature above 2100℃