[Objective] To analyze the high yield,stable yield and adaptation of new soybean variety Shidou 12.[Method]Variance analysis and multiple comparison of 2015-2016 regional experiment results of summer sowing soybean were carried out. And the comprehensive evaluation of regional varieties was carried out.[Result] Shidou 12 had good disease resistance,strong adaptation,relatively high drought resistance ability,resistance to rain. Besides,Shidou 12 had high yield,which was more than 3 000 kg/hm~2. [Conclusion]...