Abstract: Chengyou 0504 was a new late-season indica hybrid rice combination bred by crossing the 3-line male sterile Chengfeng A and the strong restorer line,Fuhui 0504,at the Rice Research Institute,Fujian Academy of Agricultural Sciences.The hybrid rice exhibited the desirable characteristics of uniform population,moderate plant size,large panicles,high rate of grains per panicle,good color change at ripening,high and consistent yield,etc.It was certified by Fujian Crop Variety Appraisal Committee in 2015.The breeding procedures,yield and characteristics of this newly developed rice variety are presented.