Xindan 58 is a new maize variety bred by Xinxiang Academy of Agricultural Sciences with Xinmei 09 as the female parent and Xin 4095 as the male parent. Xindan 58 was approved by National Crop Variety Approval Committee of the Ministry of Agriculture in 2019. During 2017 and 2018,the average yield of Xindan 58 was 8 472.0 kg/ha in regional test for mechanical harvest of the national improved varieties in Huang-Huai-Hai summer maize area,which was 5.4% higher than that of the control of Zhengdan 958.In 2018,the average yield of Xindan 58 in production test was 8 385.9 kg/ha,which was 9.7% higher than that of Zhengdan 958.Xindan 58 has characteristics of high yield,good quality and high density tolerance, and was suitable for mechanized grain harvest with the planting density of 75 000—90 000 plants/ha.It is suitable to be planted as a mechanical grain harvest variety in the areas as follows:Henan Province,Shandong Province,Tangshan City,Langfang City,Baoding City and the south of Cangzhou City in Hebei Province,Beijing City,Tianjin City,Guanzhong irrigation area,Yuncheng City and Linfen City,partial plain areas of Jincheng City in Shanxi Province,north of Huai river in Jiangsu Province and Anhui Province,Xiangyang area in Hubei Province.