’HybSoy 3’, developed from cross of JLCMS8A（CMS A line） × JLR9（CMS R line）,has the characteristics of high yield,good quality and high resistance to disease.The yield of ’HybSoy 3 ’was 3691.9 kg per hectare in the preparation experiment,increased 20.2% compared with the control.It significantly increased yield by 6.4% in regional test compared with the control cultivar. ’HybSoy 3 ’was middle resistant to soybean Mosaic Virus and to Cercospora sojina Hara by artificial inoculating test.The seed oil content and protein content of ’HybSoy 3 ’were 20.54% and 40.75%,respectively.The variety was suitable to be cultivated in Jilin province and early to middle mature zone in Heilongjiang province.