New soybean cultivar’Jidou 4’was released by New Crop Variety Introduction and Breeding Center of Jilin Province.In the middle maturity group of regional trials of Jilin Province in 2009-2010, the yields of this variety increased by 6.4% and 8.4% compared with that of the CK’Jiunong 21’.Its main characters were stable and high yield, drought-resistant and lodging resistant and good quality.