Zhengzhou 135and Sidou 2, as the elite summer soybean germplasm, were used to developed 87 soybean varieties in 8 provinces of Huanghuaihai region, China, among which 39 varieties were approved by National Crops Variety Approval Committee, The protein content of 20 varieties were over 45%, The fat content of 10 varieties were over 21.5%, thirteen varieties obtained the award of provincial and ministerial or National Science and Technology Advancement. The results indicated that elite germplasm are important for soybean breeding. In this paper, a few of recommendations as reference for soybean breeding were provided against germpalsm improvement.