Abstract: Longfuyu 24 is a new variety which was bred by the Maize Research Institute,Heilongjiang Academy of Agricultural Sciences.The inbred line FU24 was the female parent and the inbred line FU304 was the male parent.Longfuyu 24 participated in the regional test of Heilongjiang Province in 2018 and 2019,with an average yield of 10 682.8 and 9 469.8 kg·hm^-2,increased by 11.5% and 17.9%than that of the control variety Xinkeyu No.2.In 2020,Longfuyu 24 participated in the production test of Heilongjiang Province,with an average yield of 10 259.0 kg·hm^-2,and increased by 7.6%than that of the control variety Keyu 19.In 2021,it was approved by Heilongjiang Provincial Crop Variety Approval Committee with the approval number of Heishenyu20210011.Longfuyu 24 has the characteristics of high yield,strong resistance and wide ecological adaptability.It is suitable for planting in the third accumulated temperature zone of Heilongjiang Province,where the active accumulated temperature is more than 2 300℃.