‘Tongyu 238’was bred by crossing‘A425’with‘C237’in Tonghua Academy of Agricultural Sciences in 2006 with the method of group breeding and field identification.In Jilin Province,just like the former variety‘Tong 35’,the growing period of the new variety is 141 days.It needs 2850℃oday above 10℃ and belongs to middle-late matured variety with multiple disease resistance and high and stable yield.