Zhongzheyou 1 was an elite three-line super hybrid rice combination, bred by the China National Rice Research Institute and the Wuwangnong Group in Zhejiang Province. It was registered and released for commercial production by the Zhejiang Provincial Crop Variety Appraisal Committee in 2004. At present, it has become an important popularized combination in Zhejiang Province. The status of the demonstration and extension for the combination since 2003 and the performances in different ecological regions were summarized. Moreover, the reasons for rapid extension and the development prospect of the combination were discussed.