Nendan22, a new maize variety, was selected and bred by Qiqihar branch of Heilongjiang Academy of Agricultural Sciences in 2009. This variety combination is N8924×N2035, and participated in the regional test of Heilongjiang Province. The average output of the two years was 10 428.9 kg/ha, an average increase of 11.2% compared with the control varieties Yucheng 1（2016） and Xianyu 696（2017）. In 2018, the average yield was 10 419.3 kg/ha, which was 15.7% higher than that of Xianyu 696. This variety needs more than 10℃ active accumulated temperature of 2 600 ℃·d from emergence to maturity for 125 days. It has the characteristics of high yield, high quality,multi resistance, wide adaptability and suitable for mechanized harvest. It will be approved and popularized in Heilongjiang Province in 2019 to adapt to the cultivation of the first accumulated temperature zone in Heilongjiang Province.