Abstract: Abstract: Anxiang S (Old name 1356S) is the first set practically indica TGM S line in rice developed inside China, which nuclear sterility gene come from Annong S-1, now Anxiang S is one of few TGM S utilized a large area in production. The researches on its reaction to temperature and light in fertility expression, inheritance of its sterility、its wide compatibility and its physiological-biochemical characteristics were reviewed. The utilization of it in two-line hybrid rice breeding and its prospect were summarized and discussed