Danxiangyouzhenliang rice is a high-quality rice variety derived from the hybrid breeding of Danxiang 12A and Xianghuixiangmiao R133. Its unique temperature-sensitive three-line characteristics endow it with significant advantages of high and stable yield, and its rice fragrance is exquisite and its taste is delicate. Danxiangyouzhenliang rice showed good resistance to rice blast and bacterial blight. On June 10, 2021, Danxiangyouzhenliang rice passed the Guangxi Crop Variety Approval (Guishendao 2021074). Danxiangyouzhenliang rice is suitable to be planted as early and late rice in southern, central and northern Guangxi. This study summarized the breeding process and high-yielding seed production techniques of Danxiangyouzhenliang rice, in order to provide useful reference for rice breeders and growers.