Jinyuan U99 is a new japonica fragrant rice variety bred by Tianjin High-quality Agricultural Products Development and Demonstration Center（Tianjin Original Seed Farm）. It has the characteristics of salt and alkali resistance, drought resistance, waterlogging resistance, comprehensive stress resistance, saving fertilizer and pesticides. The annual yield and quality of Jinyuan U99 are stable. The general yield is 650.0 kg/667 m², and it can reach 750.0 kg/667 m² in high-yield fields. Its rice quality met 1st class of National Standard, the taste is excellent, the amylose content is 14.9%, and the rice polishing rate is 74.1%. In 2019, it was designated as the first batch of the main varieties for the revitalization of Tianjin Xiaozhan rice industry. In 2021, it was awarded the first prize of the National Japonica Rice Appraisal. This paper summarizes its characteristics and high-yield cultivation techniques.